Home / 42,447.28-63,580.02-22,393.42

Finding the Fourth Proportional to 42,447.28, 63,580.02 and 22,393.42

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Solution

The fourth proportional to 42,447.28, 63,580.02 and 22,393.42 is: 33,542.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,447.28 : 63,580.02 = 22,393.42 : x
  2. Step 2: Convert to fraction form
    42,447.28/63,580.02 = 22,393.42/x
  3. Step 3: Cross multiply
    42,447.28x = 63,580.02 × 22,393.42
  4. Step 4: Simplify right side
    42,447.28x = 1,423,774,091.47
  5. Step 5: Solve for x
    x = 1,423,774,091.47/42,447.28
  6. Step 6: Final answer
    x = 33,542.17

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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.