Home / 38,085.83-57,134.05-15,894.11

Finding the Fourth Proportional to 38,085.83, 57,134.05 and 15,894.11

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Solution

The fourth proportional to 38,085.83, 57,134.05 and 15,894.11 is: 23,843.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,085.83 : 57,134.05 = 15,894.11 : x
  2. Step 2: Convert to fraction form
    38,085.83/57,134.05 = 15,894.11/x
  3. Step 3: Cross multiply
    38,085.83x = 57,134.05 × 15,894.11
  4. Step 4: Simplify right side
    38,085.83x = 908,095,175.08
  5. Step 5: Solve for x
    x = 908,095,175.08/38,085.83
  6. Step 6: Final answer
    x = 23,843.39

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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.