Home / 38,589.61-57,869.70-13,625.02

Finding the Fourth Proportional to 38,589.61, 57,869.70 and 13,625.02

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Solution

The fourth proportional to 38,589.61, 57,869.70 and 13,625.02 is: 20,432.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,589.61 : 57,869.70 = 13,625.02 : x
  2. Step 2: Convert to fraction form
    38,589.61/57,869.70 = 13,625.02/x
  3. Step 3: Cross multiply
    38,589.61x = 57,869.70 × 13,625.02
  4. Step 4: Simplify right side
    38,589.61x = 788,475,819.89
  5. Step 5: Solve for x
    x = 788,475,819.89/38,589.61
  6. Step 6: Final answer
    x = 20,432.33

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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.