Home / 42,513.80-63,768.24-16,221.20

Finding the Fourth Proportional to 42,513.80, 63,768.24 and 16,221.20

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Solution

The fourth proportional to 42,513.80, 63,768.24 and 16,221.20 is: 24,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,513.80 : 63,768.24 = 16,221.20 : x
  2. Step 2: Convert to fraction form
    42,513.80/63,768.24 = 16,221.20/x
  3. Step 3: Cross multiply
    42,513.80x = 63,768.24 × 16,221.20
  4. Step 4: Simplify right side
    42,513.80x = 1,034,397,374.69
  5. Step 5: Solve for x
    x = 1,034,397,374.69/42,513.80
  6. Step 6: Final answer
    x = 24,330.86

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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.