Home / 42,132.72-63,186.12-22,400.40

Finding the Fourth Proportional to 42,132.72, 63,186.12 and 22,400.40

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Solution

The fourth proportional to 42,132.72, 63,186.12 and 22,400.40 is: 33,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,132.72 : 63,186.12 = 22,400.40 : x
  2. Step 2: Convert to fraction form
    42,132.72/63,186.12 = 22,400.40/x
  3. Step 3: Cross multiply
    42,132.72x = 63,186.12 × 22,400.40
  4. Step 4: Simplify right side
    42,132.72x = 1,415,394,362.45
  5. Step 5: Solve for x
    x = 1,415,394,362.45/42,132.72
  6. Step 6: Final answer
    x = 33,593.71

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1.5x scale

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.