Home / 40,425.16-60,655.38-14,148.76

Finding the Fourth Proportional to 40,425.16, 60,655.38 and 14,148.76

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Solution

The fourth proportional to 40,425.16, 60,655.38 and 14,148.76 is: 21,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,425.16 : 60,655.38 = 14,148.76 : x
  2. Step 2: Convert to fraction form
    40,425.16/60,655.38 = 14,148.76/x
  3. Step 3: Cross multiply
    40,425.16x = 60,655.38 × 14,148.76
  4. Step 4: Simplify right side
    40,425.16x = 858,198,414.33
  5. Step 5: Solve for x
    x = 858,198,414.33/40,425.16
  6. Step 6: Final answer
    x = 21,229.31

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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.