Home / 38,458.29-57,684.70-10,379.95

Finding the Fourth Proportional to 38,458.29, 57,684.70 and 10,379.95

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Solution

The fourth proportional to 38,458.29, 57,684.70 and 10,379.95 is: 15,569.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,458.29 : 57,684.70 = 10,379.95 : x
  2. Step 2: Convert to fraction form
    38,458.29/57,684.70 = 10,379.95/x
  3. Step 3: Cross multiply
    38,458.29x = 57,684.70 × 10,379.95
  4. Step 4: Simplify right side
    38,458.29x = 598,764,039.29
  5. Step 5: Solve for x
    x = 598,764,039.29/38,458.29
  6. Step 6: Final answer
    x = 15,569.18

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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.