Home / 42,581.74-63,816-22,587.12

Finding the Fourth Proportional to 42,581.74, 63,816 and 22,587.12

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Solution

The fourth proportional to 42,581.74, 63,816 and 22,587.12 is: 33,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,581.74 : 63,816 = 22,587.12 : x
  2. Step 2: Convert to fraction form
    42,581.74/63,816 = 22,587.12/x
  3. Step 3: Cross multiply
    42,581.74x = 63,816 × 22,587.12
  4. Step 4: Simplify right side
    42,581.74x = 1,441,419,649.92
  5. Step 5: Solve for x
    x = 1,441,419,649.92/42,581.74
  6. Step 6: Final answer
    x = 33,850.65

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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.