Home / 40,314.33-60,421.36-21,548.05

Finding the Fourth Proportional to 40,314.33, 60,421.36 and 21,548.05

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Solution

The fourth proportional to 40,314.33, 60,421.36 and 21,548.05 is: 32,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,314.33 : 60,421.36 = 21,548.05 : x
  2. Step 2: Convert to fraction form
    40,314.33/60,421.36 = 21,548.05/x
  3. Step 3: Cross multiply
    40,314.33x = 60,421.36 × 21,548.05
  4. Step 4: Simplify right side
    40,314.33x = 1,301,962,486.35
  5. Step 5: Solve for x
    x = 1,301,962,486.35/40,314.33
  6. Step 6: Final answer
    x = 32,295.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.