Home / 31,811.24-47,680.86-16,195.88

Finding the Fourth Proportional to 31,811.24, 47,680.86 and 16,195.88

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Solution

The fourth proportional to 31,811.24, 47,680.86 and 16,195.88 is: 24,275.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,811.24 : 47,680.86 = 16,195.88 : x
  2. Step 2: Convert to fraction form
    31,811.24/47,680.86 = 16,195.88/x
  3. Step 3: Cross multiply
    31,811.24x = 47,680.86 × 16,195.88
  4. Step 4: Simplify right side
    31,811.24x = 772,233,486.86
  5. Step 5: Solve for x
    x = 772,233,486.86/31,811.24
  6. Step 6: Final answer
    x = 24,275.49

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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.