Home / 38,598.72-57,821.28-18,819.52

Finding the Fourth Proportional to 38,598.72, 57,821.28 and 18,819.52

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Solution

The fourth proportional to 38,598.72, 57,821.28 and 18,819.52 is: 28,191.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,598.72 : 57,821.28 = 18,819.52 : x
  2. Step 2: Convert to fraction form
    38,598.72/57,821.28 = 18,819.52/x
  3. Step 3: Cross multiply
    38,598.72x = 57,821.28 × 18,819.52
  4. Step 4: Simplify right side
    38,598.72x = 1,088,168,735.39
  5. Step 5: Solve for x
    x = 1,088,168,735.39/38,598.72
  6. Step 6: Final answer
    x = 28,191.83

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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.