Home / 31,732.04-43,779.49-18,302.95

Finding the Fourth Proportional to 31,732.04, 43,779.49 and 18,302.95

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Solution

The fourth proportional to 31,732.04, 43,779.49 and 18,302.95 is: 25,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,732.04 : 43,779.49 = 18,302.95 : x
  2. Step 2: Convert to fraction form
    31,732.04/43,779.49 = 18,302.95/x
  3. Step 3: Cross multiply
    31,732.04x = 43,779.49 × 18,302.95
  4. Step 4: Simplify right side
    31,732.04x = 801,293,825.46
  5. Step 5: Solve for x
    x = 801,293,825.46/31,732.04
  6. Step 6: Final answer
    x = 25,251.88

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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.