Home / 40,565.30-55,979.52-22,660.56

Finding the Fourth Proportional to 40,565.30, 55,979.52 and 22,660.56

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Solution

The fourth proportional to 40,565.30, 55,979.52 and 22,660.56 is: 31,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,565.30 : 55,979.52 = 22,660.56 : x
  2. Step 2: Convert to fraction form
    40,565.30/55,979.52 = 22,660.56/x
  3. Step 3: Cross multiply
    40,565.30x = 55,979.52 × 22,660.56
  4. Step 4: Simplify right side
    40,565.30x = 1,268,527,271.73
  5. Step 5: Solve for x
    x = 1,268,527,271.73/40,565.30
  6. Step 6: Final answer
    x = 31,271.24

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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.