Home / 41,248.14-61,878.90-12,778.44

Finding the Fourth Proportional to 41,248.14, 61,878.90 and 12,778.44

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Solution

The fourth proportional to 41,248.14, 61,878.90 and 12,778.44 is: 19,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,248.14 : 61,878.90 = 12,778.44 : x
  2. Step 2: Convert to fraction form
    41,248.14/61,878.90 = 12,778.44/x
  3. Step 3: Cross multiply
    41,248.14x = 61,878.90 × 12,778.44
  4. Step 4: Simplify right side
    41,248.14x = 790,715,810.92
  5. Step 5: Solve for x
    x = 790,715,810.92/41,248.14
  6. Step 6: Final answer
    x = 19,169.73

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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.