Home / 31,999.26-47,981.13-14,883.42

Finding the Fourth Proportional to 31,999.26, 47,981.13 and 14,883.42

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Solution

The fourth proportional to 31,999.26, 47,981.13 and 14,883.42 is: 22,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,999.26 : 47,981.13 = 14,883.42 : x
  2. Step 2: Convert to fraction form
    31,999.26/47,981.13 = 14,883.42/x
  3. Step 3: Cross multiply
    31,999.26x = 47,981.13 × 14,883.42
  4. Step 4: Simplify right side
    31,999.26x = 714,123,309.86
  5. Step 5: Solve for x
    x = 714,123,309.86/31,999.26
  6. Step 6: Final answer
    x = 22,316.87

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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.