Home / 31,449.50-43,400.31-17,302.04

Finding the Fourth Proportional to 31,449.50, 43,400.31 and 17,302.04

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Solution

The fourth proportional to 31,449.50, 43,400.31 and 17,302.04 is: 23,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449.50 : 43,400.31 = 17,302.04 : x
  2. Step 2: Convert to fraction form
    31,449.50/43,400.31 = 17,302.04/x
  3. Step 3: Cross multiply
    31,449.50x = 43,400.31 × 17,302.04
  4. Step 4: Simplify right side
    31,449.50x = 750,913,899.63
  5. Step 5: Solve for x
    x = 750,913,899.63/31,449.50
  6. Step 6: Final answer
    x = 23,876.82

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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.