Home / 58,542.60-80,787-33,049.92

Finding the Fourth Proportional to 58,542.60, 80,787 and 33,049.92

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Solution

The fourth proportional to 58,542.60, 80,787 and 33,049.92 is: 45,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,542.60 : 80,787 = 33,049.92 : x
  2. Step 2: Convert to fraction form
    58,542.60/80,787 = 33,049.92/x
  3. Step 3: Cross multiply
    58,542.60x = 80,787 × 33,049.92
  4. Step 4: Simplify right side
    58,542.60x = 2,670,003,887.04
  5. Step 5: Solve for x
    x = 2,670,003,887.04/58,542.60
  6. Step 6: Final answer
    x = 45,607.88

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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.