Home / 40,076.90-60,049.38-13,767.20

Finding the Fourth Proportional to 40,076.90, 60,049.38 and 13,767.20

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Solution

The fourth proportional to 40,076.90, 60,049.38 and 13,767.20 is: 20,628.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,076.90 : 60,049.38 = 13,767.20 : x
  2. Step 2: Convert to fraction form
    40,076.90/60,049.38 = 13,767.20/x
  3. Step 3: Cross multiply
    40,076.90x = 60,049.38 × 13,767.20
  4. Step 4: Simplify right side
    40,076.90x = 826,711,824.34
  5. Step 5: Solve for x
    x = 826,711,824.34/40,076.90
  6. Step 6: Final answer
    x = 20,628.14

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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.