Home / 39,761.43-59,651.91-19,780.35

Finding the Fourth Proportional to 39,761.43, 59,651.91 and 19,780.35

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Solution

The fourth proportional to 39,761.43, 59,651.91 and 19,780.35 is: 29,675.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.43 : 59,651.91 = 19,780.35 : x
  2. Step 2: Convert to fraction form
    39,761.43/59,651.91 = 19,780.35/x
  3. Step 3: Cross multiply
    39,761.43x = 59,651.91 × 19,780.35
  4. Step 4: Simplify right side
    39,761.43x = 1,179,935,657.97
  5. Step 5: Solve for x
    x = 1,179,935,657.97/39,761.43
  6. Step 6: Final answer
    x = 29,675.38

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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.