Home / 39,840.68-59,797.94-20,132.97

Finding the Fourth Proportional to 39,840.68, 59,797.94 and 20,132.97

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Solution

The fourth proportional to 39,840.68, 59,797.94 and 20,132.97 is: 30,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840.68 : 59,797.94 = 20,132.97 : x
  2. Step 2: Convert to fraction form
    39,840.68/59,797.94 = 20,132.97/x
  3. Step 3: Cross multiply
    39,840.68x = 59,797.94 × 20,132.97
  4. Step 4: Simplify right side
    39,840.68x = 1,203,910,031.42
  5. Step 5: Solve for x
    x = 1,203,910,031.42/39,840.68
  6. Step 6: Final answer
    x = 30,218.11

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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.