Home / 29,379.76-40,544.49-15,951.04

Finding the Fourth Proportional to 29,379.76, 40,544.49 and 15,951.04

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Solution

The fourth proportional to 29,379.76, 40,544.49 and 15,951.04 is: 22,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379.76 : 40,544.49 = 15,951.04 : x
  2. Step 2: Convert to fraction form
    29,379.76/40,544.49 = 15,951.04/x
  3. Step 3: Cross multiply
    29,379.76x = 40,544.49 × 15,951.04
  4. Step 4: Simplify right side
    29,379.76x = 646,726,781.77
  5. Step 5: Solve for x
    x = 646,726,781.77/29,379.76
  6. Step 6: Final answer
    x = 22,012.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.