Home / 41,388.68-62,031.18-20,618.12

Finding the Fourth Proportional to 41,388.68, 62,031.18 and 20,618.12

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Solution

The fourth proportional to 41,388.68, 62,031.18 and 20,618.12 is: 30,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,388.68 : 62,031.18 = 20,618.12 : x
  2. Step 2: Convert to fraction form
    41,388.68/62,031.18 = 20,618.12/x
  3. Step 3: Cross multiply
    41,388.68x = 62,031.18 × 20,618.12
  4. Step 4: Simplify right side
    41,388.68x = 1,278,966,312.98
  5. Step 5: Solve for x
    x = 1,278,966,312.98/41,388.68
  6. Step 6: Final answer
    x = 30,901.36

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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.