Home / 56,251.15-77,626.66-30,757.63

Finding the Fourth Proportional to 56,251.15, 77,626.66 and 30,757.63

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Solution

The fourth proportional to 56,251.15, 77,626.66 and 30,757.63 is: 42,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,251.15 : 77,626.66 = 30,757.63 : x
  2. Step 2: Convert to fraction form
    56,251.15/77,626.66 = 30,757.63/x
  3. Step 3: Cross multiply
    56,251.15x = 77,626.66 × 30,757.63
  4. Step 4: Simplify right side
    56,251.15x = 2,387,612,086.42
  5. Step 5: Solve for x
    x = 2,387,612,086.42/56,251.15
  6. Step 6: Final answer
    x = 42,445.57

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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.