Home / 40,815.20-56,330.66-22,670

Finding the Fourth Proportional to 40,815.20, 56,330.66 and 22,670

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Solution

The fourth proportional to 40,815.20, 56,330.66 and 22,670 is: 31,287.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,815.20 : 56,330.66 = 22,670 : x
  2. Step 2: Convert to fraction form
    40,815.20/56,330.66 = 22,670/x
  3. Step 3: Cross multiply
    40,815.20x = 56,330.66 × 22,670
  4. Step 4: Simplify right side
    40,815.20x = 1,277,016,062.20
  5. Step 5: Solve for x
    x = 1,277,016,062.20/40,815.20
  6. Step 6: Final answer
    x = 31,287.76

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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.