Home / 56,170.26-77,480.55-38,273.31

Finding the Fourth Proportional to 56,170.26, 77,480.55 and 38,273.31

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Solution

The fourth proportional to 56,170.26, 77,480.55 and 38,273.31 is: 52,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,170.26 : 77,480.55 = 38,273.31 : x
  2. Step 2: Convert to fraction form
    56,170.26/77,480.55 = 38,273.31/x
  3. Step 3: Cross multiply
    56,170.26x = 77,480.55 × 38,273.31
  4. Step 4: Simplify right side
    56,170.26x = 2,965,437,109.12
  5. Step 5: Solve for x
    x = 2,965,437,109.12/56,170.26
  6. Step 6: Final answer
    x = 52,793.72

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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.