Home / 32,120.78-48,160.62-15,447.61

Finding the Fourth Proportional to 32,120.78, 48,160.62 and 15,447.61

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Solution

The fourth proportional to 32,120.78, 48,160.62 and 15,447.61 is: 23,161.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,120.78 : 48,160.62 = 15,447.61 : x
  2. Step 2: Convert to fraction form
    32,120.78/48,160.62 = 15,447.61/x
  3. Step 3: Cross multiply
    32,120.78x = 48,160.62 × 15,447.61
  4. Step 4: Simplify right side
    32,120.78x = 743,966,354.72
  5. Step 5: Solve for x
    x = 743,966,354.72/32,120.78
  6. Step 6: Final answer
    x = 23,161.53

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1.5x scale

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.