Home / 56,121.75-77,484.45-43,352.70

Finding the Fourth Proportional to 56,121.75, 77,484.45 and 43,352.70

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Solution

The fourth proportional to 56,121.75, 77,484.45 and 43,352.70 is: 59,854.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,121.75 : 77,484.45 = 43,352.70 : x
  2. Step 2: Convert to fraction form
    56,121.75/77,484.45 = 43,352.70/x
  3. Step 3: Cross multiply
    56,121.75x = 77,484.45 × 43,352.70
  4. Step 4: Simplify right side
    56,121.75x = 3,359,160,115.52
  5. Step 5: Solve for x
    x = 3,359,160,115.52/56,121.75
  6. Step 6: Final answer
    x = 59,854.87

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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.