Home / 38,478.06-57,719.52-16,288.52

Finding the Fourth Proportional to 38,478.06, 57,719.52 and 16,288.52

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Solution

The fourth proportional to 38,478.06, 57,719.52 and 16,288.52 is: 24,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,478.06 : 57,719.52 = 16,288.52 : x
  2. Step 2: Convert to fraction form
    38,478.06/57,719.52 = 16,288.52/x
  3. Step 3: Cross multiply
    38,478.06x = 57,719.52 × 16,288.52
  4. Step 4: Simplify right side
    38,478.06x = 940,165,555.91
  5. Step 5: Solve for x
    x = 940,165,555.91/38,478.06
  6. Step 6: Final answer
    x = 24,433.81

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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.