Home / 58,177.31-80,321.42-40,265.78

Finding the Fourth Proportional to 58,177.31, 80,321.42 and 40,265.78

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Solution

The fourth proportional to 58,177.31, 80,321.42 and 40,265.78 is: 55,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,177.31 : 80,321.42 = 40,265.78 : x
  2. Step 2: Convert to fraction form
    58,177.31/80,321.42 = 40,265.78/x
  3. Step 3: Cross multiply
    58,177.31x = 80,321.42 × 40,265.78
  4. Step 4: Simplify right side
    58,177.31x = 3,234,204,326.06
  5. Step 5: Solve for x
    x = 3,234,204,326.06/58,177.31
  6. Step 6: Final answer
    x = 55,592.20

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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.