Home / 38,212.26-57,319.86-18,211.44

Finding the Fourth Proportional to 38,212.26, 57,319.86 and 18,211.44

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Solution

The fourth proportional to 38,212.26, 57,319.86 and 18,211.44 is: 27,317.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,212.26 : 57,319.86 = 18,211.44 : x
  2. Step 2: Convert to fraction form
    38,212.26/57,319.86 = 18,211.44/x
  3. Step 3: Cross multiply
    38,212.26x = 57,319.86 × 18,211.44
  4. Step 4: Simplify right side
    38,212.26x = 1,043,877,191.20
  5. Step 5: Solve for x
    x = 1,043,877,191.20/38,212.26
  6. Step 6: Final answer
    x = 27,317.86

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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.