Home / 38,581.52-57,876.84-13,616.36

Finding the Fourth Proportional to 38,581.52, 57,876.84 and 13,616.36

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Solution

The fourth proportional to 38,581.52, 57,876.84 and 13,616.36 is: 20,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,581.52 : 57,876.84 = 13,616.36 : x
  2. Step 2: Convert to fraction form
    38,581.52/57,876.84 = 13,616.36/x
  3. Step 3: Cross multiply
    38,581.52x = 57,876.84 × 13,616.36
  4. Step 4: Simplify right side
    38,581.52x = 788,071,889.10
  5. Step 5: Solve for x
    x = 788,071,889.10/38,581.52
  6. Step 6: Final answer
    x = 20,426.15

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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.