Home / 38,191.60-57,279.98-19,211.17

Finding the Fourth Proportional to 38,191.60, 57,279.98 and 19,211.17

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Solution

The fourth proportional to 38,191.60, 57,279.98 and 19,211.17 is: 28,813.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191.60 : 57,279.98 = 19,211.17 : x
  2. Step 2: Convert to fraction form
    38,191.60/57,279.98 = 19,211.17/x
  3. Step 3: Cross multiply
    38,191.60x = 57,279.98 × 19,211.17
  4. Step 4: Simplify right side
    38,191.60x = 1,100,415,433.38
  5. Step 5: Solve for x
    x = 1,100,415,433.38/38,191.60
  6. Step 6: Final answer
    x = 28,813.02

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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.