Home / 39,761.74-59,644.43-28,126.90

Finding the Fourth Proportional to 39,761.74, 59,644.43 and 28,126.90

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Solution

The fourth proportional to 39,761.74, 59,644.43 and 28,126.90 is: 42,191.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.74 : 59,644.43 = 28,126.90 : x
  2. Step 2: Convert to fraction form
    39,761.74/59,644.43 = 28,126.90/x
  3. Step 3: Cross multiply
    39,761.74x = 59,644.43 × 28,126.90
  4. Step 4: Simplify right side
    39,761.74x = 1,677,612,918.17
  5. Step 5: Solve for x
    x = 1,677,612,918.17/39,761.74
  6. Step 6: Final answer
    x = 42,191.64

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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.