Home / 32,920.16-49,380.24-18,121.46

Finding the Fourth Proportional to 32,920.16, 49,380.24 and 18,121.46

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Solution

The fourth proportional to 32,920.16, 49,380.24 and 18,121.46 is: 27,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,920.16 : 49,380.24 = 18,121.46 : x
  2. Step 2: Convert to fraction form
    32,920.16/49,380.24 = 18,121.46/x
  3. Step 3: Cross multiply
    32,920.16x = 49,380.24 × 18,121.46
  4. Step 4: Simplify right side
    32,920.16x = 894,842,043.95
  5. Step 5: Solve for x
    x = 894,842,043.95/32,920.16
  6. Step 6: Final answer
    x = 27,182.19

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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.