Home / 40,102.38-55,343.19-23,109.16

Finding the Fourth Proportional to 40,102.38, 55,343.19 and 23,109.16

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Solution

The fourth proportional to 40,102.38, 55,343.19 and 23,109.16 is: 31,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102.38 : 55,343.19 = 23,109.16 : x
  2. Step 2: Convert to fraction form
    40,102.38/55,343.19 = 23,109.16/x
  3. Step 3: Cross multiply
    40,102.38x = 55,343.19 × 23,109.16
  4. Step 4: Simplify right side
    40,102.38x = 1,278,934,632.62
  5. Step 5: Solve for x
    x = 1,278,934,632.62/40,102.38
  6. Step 6: Final answer
    x = 31,891.74

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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.