Home / 42,204.92-63,314.42-18,830.48

Finding the Fourth Proportional to 42,204.92, 63,314.42 and 18,830.48

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Solution

The fourth proportional to 42,204.92, 63,314.42 and 18,830.48 is: 28,248.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,204.92 : 63,314.42 = 18,830.48 : x
  2. Step 2: Convert to fraction form
    42,204.92/63,314.42 = 18,830.48/x
  3. Step 3: Cross multiply
    42,204.92x = 63,314.42 × 18,830.48
  4. Step 4: Simplify right side
    42,204.92x = 1,192,240,919.52
  5. Step 5: Solve for x
    x = 1,192,240,919.52/42,204.92
  6. Step 6: Final answer
    x = 28,248.86

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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.