Home / 40,049.28-55,271.52-23,287.68

Finding the Fourth Proportional to 40,049.28, 55,271.52 and 23,287.68

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Solution

The fourth proportional to 40,049.28, 55,271.52 and 23,287.68 is: 32,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,049.28 : 55,271.52 = 23,287.68 : x
  2. Step 2: Convert to fraction form
    40,049.28/55,271.52 = 23,287.68/x
  3. Step 3: Cross multiply
    40,049.28x = 55,271.52 × 23,287.68
  4. Step 4: Simplify right side
    40,049.28x = 1,287,145,470.87
  5. Step 5: Solve for x
    x = 1,287,145,470.87/40,049.28
  6. Step 6: Final answer
    x = 32,139.04

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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.