Home / 40,565.28-55,980.12-22,660.32

Finding the Fourth Proportional to 40,565.28, 55,980.12 and 22,660.32

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Solution

The fourth proportional to 40,565.28, 55,980.12 and 22,660.32 is: 31,271.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,565.28 : 55,980.12 = 22,660.32 : x
  2. Step 2: Convert to fraction form
    40,565.28/55,980.12 = 22,660.32/x
  3. Step 3: Cross multiply
    40,565.28x = 55,980.12 × 22,660.32
  4. Step 4: Simplify right side
    40,565.28x = 1,268,527,432.84
  5. Step 5: Solve for x
    x = 1,268,527,432.84/40,565.28
  6. Step 6: Final answer
    x = 31,271.26

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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.