Home / 42,629.46-63,944.19-19,249.62

Finding the Fourth Proportional to 42,629.46, 63,944.19 and 19,249.62

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Solution

The fourth proportional to 42,629.46, 63,944.19 and 19,249.62 is: 28,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,629.46 : 63,944.19 = 19,249.62 : x
  2. Step 2: Convert to fraction form
    42,629.46/63,944.19 = 19,249.62/x
  3. Step 3: Cross multiply
    42,629.46x = 63,944.19 × 19,249.62
  4. Step 4: Simplify right side
    42,629.46x = 1,230,901,358.71
  5. Step 5: Solve for x
    x = 1,230,901,358.71/42,629.46
  6. Step 6: Final answer
    x = 28,874.43

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Similar ratio
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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.