Home / 39,572.97-59,376.61-21,781.89

Finding the Fourth Proportional to 39,572.97, 59,376.61 and 21,781.89

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Solution

The fourth proportional to 39,572.97, 59,376.61 and 21,781.89 is: 32,682.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,572.97 : 59,376.61 = 21,781.89 : x
  2. Step 2: Convert to fraction form
    39,572.97/59,376.61 = 21,781.89/x
  3. Step 3: Cross multiply
    39,572.97x = 59,376.61 × 21,781.89
  4. Step 4: Simplify right side
    39,572.97x = 1,293,334,814.82
  5. Step 5: Solve for x
    x = 1,293,334,814.82/39,572.97
  6. Step 6: Final answer
    x = 32,682.28

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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.