Home / 56,060.38-77,363.01-30,909.90

Finding the Fourth Proportional to 56,060.38, 77,363.01 and 30,909.90

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Solution

The fourth proportional to 56,060.38, 77,363.01 and 30,909.90 is: 42,655.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,060.38 : 77,363.01 = 30,909.90 : x
  2. Step 2: Convert to fraction form
    56,060.38/77,363.01 = 30,909.90/x
  3. Step 3: Cross multiply
    56,060.38x = 77,363.01 × 30,909.90
  4. Step 4: Simplify right side
    56,060.38x = 2,391,282,902.80
  5. Step 5: Solve for x
    x = 2,391,282,902.80/56,060.38
  6. Step 6: Final answer
    x = 42,655.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.