Home / 40,753.92-61,131.52-18,566.40

Finding the Fourth Proportional to 40,753.92, 61,131.52 and 18,566.40

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Solution

The fourth proportional to 40,753.92, 61,131.52 and 18,566.40 is: 27,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,753.92 : 61,131.52 = 18,566.40 : x
  2. Step 2: Convert to fraction form
    40,753.92/61,131.52 = 18,566.40/x
  3. Step 3: Cross multiply
    40,753.92x = 61,131.52 × 18,566.40
  4. Step 4: Simplify right side
    40,753.92x = 1,134,992,252.93
  5. Step 5: Solve for x
    x = 1,134,992,252.93/40,753.92
  6. Step 6: Final answer
    x = 27,849.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.