Home / 40,358.40-60,523.20-15,391.92

Finding the Fourth Proportional to 40,358.40, 60,523.20 and 15,391.92

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Solution

The fourth proportional to 40,358.40, 60,523.20 and 15,391.92 is: 23,082.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,358.40 : 60,523.20 = 15,391.92 : x
  2. Step 2: Convert to fraction form
    40,358.40/60,523.20 = 15,391.92/x
  3. Step 3: Cross multiply
    40,358.40x = 60,523.20 × 15,391.92
  4. Step 4: Simplify right side
    40,358.40x = 931,568,252.54
  5. Step 5: Solve for x
    x = 931,568,252.54/40,358.40
  6. Step 6: Final answer
    x = 23,082.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.