Home / 39,996.66-60,031.56-20,288.82

Finding the Fourth Proportional to 39,996.66, 60,031.56 and 20,288.82

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Solution

The fourth proportional to 39,996.66, 60,031.56 and 20,288.82 is: 30,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,996.66 : 60,031.56 = 20,288.82 : x
  2. Step 2: Convert to fraction form
    39,996.66/60,031.56 = 20,288.82/x
  3. Step 3: Cross multiply
    39,996.66x = 60,031.56 × 20,288.82
  4. Step 4: Simplify right side
    39,996.66x = 1,217,969,515.16
  5. Step 5: Solve for x
    x = 1,217,969,515.16/39,996.66
  6. Step 6: Final answer
    x = 30,451.78

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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.