Home / 38,586.42-57,890.60-12,293.20

Finding the Fourth Proportional to 38,586.42, 57,890.60 and 12,293.20

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Solution

The fourth proportional to 38,586.42, 57,890.60 and 12,293.20 is: 18,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,586.42 : 57,890.60 = 12,293.20 : x
  2. Step 2: Convert to fraction form
    38,586.42/57,890.60 = 12,293.20/x
  3. Step 3: Cross multiply
    38,586.42x = 57,890.60 × 12,293.20
  4. Step 4: Simplify right side
    38,586.42x = 711,660,723.92
  5. Step 5: Solve for x
    x = 711,660,723.92/38,586.42
  6. Step 6: Final answer
    x = 18,443.29

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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.