Home / 38,388.64-57,534-17,306.08

Finding the Fourth Proportional to 38,388.64, 57,534 and 17,306.08

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Solution

The fourth proportional to 38,388.64, 57,534 and 17,306.08 is: 25,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388.64 : 57,534 = 17,306.08 : x
  2. Step 2: Convert to fraction form
    38,388.64/57,534 = 17,306.08/x
  3. Step 3: Cross multiply
    38,388.64x = 57,534 × 17,306.08
  4. Step 4: Simplify right side
    38,388.64x = 995,688,006.72
  5. Step 5: Solve for x
    x = 995,688,006.72/38,388.64
  6. Step 6: Final answer
    x = 25,937.05

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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.