Home / 31,932.20-47,882.28-18,609.50

Finding the Fourth Proportional to 31,932.20, 47,882.28 and 18,609.50

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Solution

The fourth proportional to 31,932.20, 47,882.28 and 18,609.50 is: 27,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,932.20 : 47,882.28 = 18,609.50 : x
  2. Step 2: Convert to fraction form
    31,932.20/47,882.28 = 18,609.50/x
  3. Step 3: Cross multiply
    31,932.20x = 47,882.28 × 18,609.50
  4. Step 4: Simplify right side
    31,932.20x = 891,065,289.66
  5. Step 5: Solve for x
    x = 891,065,289.66/31,932.20
  6. Step 6: Final answer
    x = 27,904.91

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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.