Home / 40,155.14-60,242.28-13,860.12

Finding the Fourth Proportional to 40,155.14, 60,242.28 and 13,860.12

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Solution

The fourth proportional to 40,155.14, 60,242.28 and 13,860.12 is: 20,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.14 : 60,242.28 = 13,860.12 : x
  2. Step 2: Convert to fraction form
    40,155.14/60,242.28 = 13,860.12/x
  3. Step 3: Cross multiply
    40,155.14x = 60,242.28 × 13,860.12
  4. Step 4: Simplify right side
    40,155.14x = 834,965,229.87
  5. Step 5: Solve for x
    x = 834,965,229.87/40,155.14
  6. Step 6: Final answer
    x = 20,793.48

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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.