Home / 42,262.46-63,404.22-12,680.88

Finding the Fourth Proportional to 42,262.46, 63,404.22 and 12,680.88

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Solution

The fourth proportional to 42,262.46, 63,404.22 and 12,680.88 is: 19,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,262.46 : 63,404.22 = 12,680.88 : x
  2. Step 2: Convert to fraction form
    42,262.46/63,404.22 = 12,680.88/x
  3. Step 3: Cross multiply
    42,262.46x = 63,404.22 × 12,680.88
  4. Step 4: Simplify right side
    42,262.46x = 804,021,305.31
  5. Step 5: Solve for x
    x = 804,021,305.31/42,262.46
  6. Step 6: Final answer
    x = 19,024.48

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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.