Home / 38,445.32-57,675.27-12,144.83

Finding the Fourth Proportional to 38,445.32, 57,675.27 and 12,144.83

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Solution

The fourth proportional to 38,445.32, 57,675.27 and 12,144.83 is: 18,219.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,445.32 : 57,675.27 = 12,144.83 : x
  2. Step 2: Convert to fraction form
    38,445.32/57,675.27 = 12,144.83/x
  3. Step 3: Cross multiply
    38,445.32x = 57,675.27 × 12,144.83
  4. Step 4: Simplify right side
    38,445.32x = 700,456,060.98
  5. Step 5: Solve for x
    x = 700,456,060.98/38,445.32
  6. Step 6: Final answer
    x = 18,219.54

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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.