Home / 38,618.75-57,858.19-32,418.61

Finding the Fourth Proportional to 38,618.75, 57,858.19 and 32,418.61

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Solution

The fourth proportional to 38,618.75, 57,858.19 and 32,418.61 is: 48,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,618.75 : 57,858.19 = 32,418.61 : x
  2. Step 2: Convert to fraction form
    38,618.75/57,858.19 = 32,418.61/x
  3. Step 3: Cross multiply
    38,618.75x = 57,858.19 × 32,418.61
  4. Step 4: Simplify right side
    38,618.75x = 1,875,681,871.22
  5. Step 5: Solve for x
    x = 1,875,681,871.22/38,618.75
  6. Step 6: Final answer
    x = 48,569.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.