Home / 56,250.90-77,626.31-30,757.38

Finding the Fourth Proportional to 56,250.90, 77,626.31 and 30,757.38

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Solution

The fourth proportional to 56,250.90, 77,626.31 and 30,757.38 is: 42,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,250.90 : 77,626.31 = 30,757.38 : x
  2. Step 2: Convert to fraction form
    56,250.90/77,626.31 = 30,757.38/x
  3. Step 3: Cross multiply
    56,250.90x = 77,626.31 × 30,757.38
  4. Step 4: Simplify right side
    56,250.90x = 2,387,581,991.56
  5. Step 5: Solve for x
    x = 2,387,581,991.56/56,250.90
  6. Step 6: Final answer
    x = 42,445.22

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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.