Home / 40,142.14-60,213.35-13,487.38

Finding the Fourth Proportional to 40,142.14, 60,213.35 and 13,487.38

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Solution

The fourth proportional to 40,142.14, 60,213.35 and 13,487.38 is: 20,231.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,142.14 : 60,213.35 = 13,487.38 : x
  2. Step 2: Convert to fraction form
    40,142.14/60,213.35 = 13,487.38/x
  3. Step 3: Cross multiply
    40,142.14x = 60,213.35 × 13,487.38
  4. Step 4: Simplify right side
    40,142.14x = 812,120,215.71
  5. Step 5: Solve for x
    x = 812,120,215.71/40,142.14
  6. Step 6: Final answer
    x = 20,231.12

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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.