Home / 31,234.80-43,098.92-17,806.32

Finding the Fourth Proportional to 31,234.80, 43,098.92 and 17,806.32

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Solution

The fourth proportional to 31,234.80, 43,098.92 and 17,806.32 is: 24,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,234.80 : 43,098.92 = 17,806.32 : x
  2. Step 2: Convert to fraction form
    31,234.80/43,098.92 = 17,806.32/x
  3. Step 3: Cross multiply
    31,234.80x = 43,098.92 × 17,806.32
  4. Step 4: Simplify right side
    31,234.80x = 767,433,161.17
  5. Step 5: Solve for x
    x = 767,433,161.17/31,234.80
  6. Step 6: Final answer
    x = 24,569.81

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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.