Home / 80,932.68-121,399.02-25,533

Finding the Fourth Proportional to 80,932.68, 121,399.02 and 25,533

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Solution

The fourth proportional to 80,932.68, 121,399.02 and 25,533 is: 38,299.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,932.68 : 121,399.02 = 25,533 : x
  2. Step 2: Convert to fraction form
    80,932.68/121,399.02 = 25,533/x
  3. Step 3: Cross multiply
    80,932.68x = 121,399.02 × 25,533
  4. Step 4: Simplify right side
    80,932.68x = 3,099,681,177.66
  5. Step 5: Solve for x
    x = 3,099,681,177.66/80,932.68
  6. Step 6: Final answer
    x = 38,299.50

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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.