Home / 43,787.08-65,680.59-31,331.43

Finding the Fourth Proportional to 43,787.08, 65,680.59 and 31,331.43

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Solution

The fourth proportional to 43,787.08, 65,680.59 and 31,331.43 is: 46,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,787.08 : 65,680.59 = 31,331.43 : x
  2. Step 2: Convert to fraction form
    43,787.08/65,680.59 = 31,331.43/x
  3. Step 3: Cross multiply
    43,787.08x = 65,680.59 × 31,331.43
  4. Step 4: Simplify right side
    43,787.08x = 2,057,866,807.94
  5. Step 5: Solve for x
    x = 2,057,866,807.94/43,787.08
  6. Step 6: Final answer
    x = 46,997.13

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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.