Home / 36,007.68-49,691.18-19,875.76

Finding the Fourth Proportional to 36,007.68, 49,691.18 and 19,875.76

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Solution

The fourth proportional to 36,007.68, 49,691.18 and 19,875.76 is: 27,428.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,007.68 : 49,691.18 = 19,875.76 : x
  2. Step 2: Convert to fraction form
    36,007.68/49,691.18 = 19,875.76/x
  3. Step 3: Cross multiply
    36,007.68x = 49,691.18 × 19,875.76
  4. Step 4: Simplify right side
    36,007.68x = 987,649,967.80
  5. Step 5: Solve for x
    x = 987,649,967.80/36,007.68
  6. Step 6: Final answer
    x = 27,428.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.