Home / 31,340.12-43,250.04-17,192.96

Finding the Fourth Proportional to 31,340.12, 43,250.04 and 17,192.96

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Solution

The fourth proportional to 31,340.12, 43,250.04 and 17,192.96 is: 23,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,340.12 : 43,250.04 = 17,192.96 : x
  2. Step 2: Convert to fraction form
    31,340.12/43,250.04 = 17,192.96/x
  3. Step 3: Cross multiply
    31,340.12x = 43,250.04 × 17,192.96
  4. Step 4: Simplify right side
    31,340.12x = 743,596,207.72
  5. Step 5: Solve for x
    x = 743,596,207.72/31,340.12
  6. Step 6: Final answer
    x = 23,726.65

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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.