Home / 29,229.60-40,336.97-18,479.18

Finding the Fourth Proportional to 29,229.60, 40,336.97 and 18,479.18

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Solution

The fourth proportional to 29,229.60, 40,336.97 and 18,479.18 is: 25,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,229.60 : 40,336.97 = 18,479.18 : x
  2. Step 2: Convert to fraction form
    29,229.60/40,336.97 = 18,479.18/x
  3. Step 3: Cross multiply
    29,229.60x = 40,336.97 × 18,479.18
  4. Step 4: Simplify right side
    29,229.60x = 745,394,115.87
  5. Step 5: Solve for x
    x = 745,394,115.87/29,229.60
  6. Step 6: Final answer
    x = 25,501.35

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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.