Home / 55,691.47-83,517.75-22,402.90

Finding the Fourth Proportional to 55,691.47, 83,517.75 and 22,402.90

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Solution

The fourth proportional to 55,691.47, 83,517.75 and 22,402.90 is: 33,596.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,691.47 : 83,517.75 = 22,402.90 : x
  2. Step 2: Convert to fraction form
    55,691.47/83,517.75 = 22,402.90/x
  3. Step 3: Cross multiply
    55,691.47x = 83,517.75 × 22,402.90
  4. Step 4: Simplify right side
    55,691.47x = 1,871,039,592.68
  5. Step 5: Solve for x
    x = 1,871,039,592.68/55,691.47
  6. Step 6: Final answer
    x = 33,596.52

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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.