Home / 31,479.20-47,233.20-14,832.80

Finding the Fourth Proportional to 31,479.20, 47,233.20 and 14,832.80

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Solution

The fourth proportional to 31,479.20, 47,233.20 and 14,832.80 is: 22,255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,479.20 : 47,233.20 = 14,832.80 : x
  2. Step 2: Convert to fraction form
    31,479.20/47,233.20 = 14,832.80/x
  3. Step 3: Cross multiply
    31,479.20x = 47,233.20 × 14,832.80
  4. Step 4: Simplify right side
    31,479.20x = 700,600,608.96
  5. Step 5: Solve for x
    x = 700,600,608.96/31,479.20
  6. Step 6: Final answer
    x = 22,255.99

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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.