Home / 31,487.74-43,452.99-17,340.58

Finding the Fourth Proportional to 31,487.74, 43,452.99 and 17,340.58

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Solution

The fourth proportional to 31,487.74, 43,452.99 and 17,340.58 is: 23,929.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,487.74 : 43,452.99 = 17,340.58 : x
  2. Step 2: Convert to fraction form
    31,487.74/43,452.99 = 17,340.58/x
  3. Step 3: Cross multiply
    31,487.74x = 43,452.99 × 17,340.58
  4. Step 4: Simplify right side
    31,487.74x = 753,500,049.33
  5. Step 5: Solve for x
    x = 753,500,049.33/31,487.74
  6. Step 6: Final answer
    x = 23,929.95

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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.