Home / 42,572.16-63,803.20-29,403.52

Finding the Fourth Proportional to 42,572.16, 63,803.20 and 29,403.52

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Solution

The fourth proportional to 42,572.16, 63,803.20 and 29,403.52 is: 44,067.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,572.16 : 63,803.20 = 29,403.52 : x
  2. Step 2: Convert to fraction form
    42,572.16/63,803.20 = 29,403.52/x
  3. Step 3: Cross multiply
    42,572.16x = 63,803.20 × 29,403.52
  4. Step 4: Simplify right side
    42,572.16x = 1,876,038,667.26
  5. Step 5: Solve for x
    x = 1,876,038,667.26/42,572.16
  6. Step 6: Final answer
    x = 44,067.27

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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.