Home / 38,359.28-57,552.68-13,403

Finding the Fourth Proportional to 38,359.28, 57,552.68 and 13,403

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Solution

The fourth proportional to 38,359.28, 57,552.68 and 13,403 is: 20,109.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,359.28 : 57,552.68 = 13,403 : x
  2. Step 2: Convert to fraction form
    38,359.28/57,552.68 = 13,403/x
  3. Step 3: Cross multiply
    38,359.28x = 57,552.68 × 13,403
  4. Step 4: Simplify right side
    38,359.28x = 771,378,570.04
  5. Step 5: Solve for x
    x = 771,378,570.04/38,359.28
  6. Step 6: Final answer
    x = 20,109.31

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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.