Home / 37,800.21-52,166.43-21,670.20

Finding the Fourth Proportional to 37,800.21, 52,166.43 and 21,670.20

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Solution

The fourth proportional to 37,800.21, 52,166.43 and 21,670.20 is: 29,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,800.21 : 52,166.43 = 21,670.20 : x
  2. Step 2: Convert to fraction form
    37,800.21/52,166.43 = 21,670.20/x
  3. Step 3: Cross multiply
    37,800.21x = 52,166.43 × 21,670.20
  4. Step 4: Simplify right side
    37,800.21x = 1,130,456,971.39
  5. Step 5: Solve for x
    x = 1,130,456,971.39/37,800.21
  6. Step 6: Final answer
    x = 29,906.10

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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.