Home / 43,517.70-65,279.87-18,557.85

Finding the Fourth Proportional to 43,517.70, 65,279.87 and 18,557.85

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Solution

The fourth proportional to 43,517.70, 65,279.87 and 18,557.85 is: 27,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,517.70 : 65,279.87 = 18,557.85 : x
  2. Step 2: Convert to fraction form
    43,517.70/65,279.87 = 18,557.85/x
  3. Step 3: Cross multiply
    43,517.70x = 65,279.87 × 18,557.85
  4. Step 4: Simplify right side
    43,517.70x = 1,211,454,081.87
  5. Step 5: Solve for x
    x = 1,211,454,081.87/43,517.70
  6. Step 6: Final answer
    x = 27,838.19

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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.