Home / 31,976.68-47,923.96-15,311.74

Finding the Fourth Proportional to 31,976.68, 47,923.96 and 15,311.74

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Solution

The fourth proportional to 31,976.68, 47,923.96 and 15,311.74 is: 22,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,976.68 : 47,923.96 = 15,311.74 : x
  2. Step 2: Convert to fraction form
    31,976.68/47,923.96 = 15,311.74/x
  3. Step 3: Cross multiply
    31,976.68x = 47,923.96 × 15,311.74
  4. Step 4: Simplify right side
    31,976.68x = 733,799,215.29
  5. Step 5: Solve for x
    x = 733,799,215.29/31,976.68
  6. Step 6: Final answer
    x = 22,947.95

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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.