Home / 37,998.21-52,440.24-21,002.09

Finding the Fourth Proportional to 37,998.21, 52,440.24 and 21,002.09

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Solution

The fourth proportional to 37,998.21, 52,440.24 and 21,002.09 is: 28,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,998.21 : 52,440.24 = 21,002.09 : x
  2. Step 2: Convert to fraction form
    37,998.21/52,440.24 = 21,002.09/x
  3. Step 3: Cross multiply
    37,998.21x = 52,440.24 × 21,002.09
  4. Step 4: Simplify right side
    37,998.21x = 1,101,354,272.89
  5. Step 5: Solve for x
    x = 1,101,354,272.89/37,998.21
  6. Step 6: Final answer
    x = 28,984.38

Related Problems

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Half scale
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Double scale
Find fourth proportional to 37,999.21, 52,441.62 and 21,003.09
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.