Home / 38,575.68-57,849.12-12,275.52

Finding the Fourth Proportional to 38,575.68, 57,849.12 and 12,275.52

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Solution

The fourth proportional to 38,575.68, 57,849.12 and 12,275.52 is: 18,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,575.68 : 57,849.12 = 12,275.52 : x
  2. Step 2: Convert to fraction form
    38,575.68/57,849.12 = 12,275.52/x
  3. Step 3: Cross multiply
    38,575.68x = 57,849.12 × 12,275.52
  4. Step 4: Simplify right side
    38,575.68x = 710,128,029.54
  5. Step 5: Solve for x
    x = 710,128,029.54/38,575.68
  6. Step 6: Final answer
    x = 18,408.70

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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.