Home / 38,049.15-57,081.51-13,085.95

Finding the Fourth Proportional to 38,049.15, 57,081.51 and 13,085.95

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Solution

The fourth proportional to 38,049.15, 57,081.51 and 13,085.95 is: 19,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,049.15 : 57,081.51 = 13,085.95 : x
  2. Step 2: Convert to fraction form
    38,049.15/57,081.51 = 13,085.95/x
  3. Step 3: Cross multiply
    38,049.15x = 57,081.51 × 13,085.95
  4. Step 4: Simplify right side
    38,049.15x = 746,965,785.78
  5. Step 5: Solve for x
    x = 746,965,785.78/38,049.15
  6. Step 6: Final answer
    x = 19,631.60

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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.