Home / 39,987.16-55,189.02-23,229.88

Finding the Fourth Proportional to 39,987.16, 55,189.02 and 23,229.88

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Solution

The fourth proportional to 39,987.16, 55,189.02 and 23,229.88 is: 32,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,987.16 : 55,189.02 = 23,229.88 : x
  2. Step 2: Convert to fraction form
    39,987.16/55,189.02 = 23,229.88/x
  3. Step 3: Cross multiply
    39,987.16x = 55,189.02 × 23,229.88
  4. Step 4: Simplify right side
    39,987.16x = 1,282,034,311.92
  5. Step 5: Solve for x
    x = 1,282,034,311.92/39,987.16
  6. Step 6: Final answer
    x = 32,061.15

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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.