Home / 42,543.17-63,814.73-11,377.61

Finding the Fourth Proportional to 42,543.17, 63,814.73 and 11,377.61

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Solution

The fourth proportional to 42,543.17, 63,814.73 and 11,377.61 is: 17,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,543.17 : 63,814.73 = 11,377.61 : x
  2. Step 2: Convert to fraction form
    42,543.17/63,814.73 = 11,377.61/x
  3. Step 3: Cross multiply
    42,543.17x = 63,814.73 × 11,377.61
  4. Step 4: Simplify right side
    42,543.17x = 726,058,819.57
  5. Step 5: Solve for x
    x = 726,058,819.57/42,543.17
  6. Step 6: Final answer
    x = 17,066.40

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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.