Home / 32,755.12-49,123.68-12,761.44

Finding the Fourth Proportional to 32,755.12, 49,123.68 and 12,761.44

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Solution

The fourth proportional to 32,755.12, 49,123.68 and 12,761.44 is: 19,138.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,755.12 : 49,123.68 = 12,761.44 : x
  2. Step 2: Convert to fraction form
    32,755.12/49,123.68 = 12,761.44/x
  3. Step 3: Cross multiply
    32,755.12x = 49,123.68 × 12,761.44
  4. Step 4: Simplify right side
    32,755.12x = 626,888,894.90
  5. Step 5: Solve for x
    x = 626,888,894.90/32,755.12
  6. Step 6: Final answer
    x = 19,138.65

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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.