Home / 31,524.80-43,504.18-17,377.88

Finding the Fourth Proportional to 31,524.80, 43,504.18 and 17,377.88

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Solution

The fourth proportional to 31,524.80, 43,504.18 and 17,377.88 is: 23,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,524.80 : 43,504.18 = 17,377.88 : x
  2. Step 2: Convert to fraction form
    31,524.80/43,504.18 = 17,377.88/x
  3. Step 3: Cross multiply
    31,524.80x = 43,504.18 × 17,377.88
  4. Step 4: Simplify right side
    31,524.80x = 756,010,158.57
  5. Step 5: Solve for x
    x = 756,010,158.57/31,524.80
  6. Step 6: Final answer
    x = 23,981.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.