Home / 38,608.83-57,922.25-12,311.55

Finding the Fourth Proportional to 38,608.83, 57,922.25 and 12,311.55

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Solution

The fourth proportional to 38,608.83, 57,922.25 and 12,311.55 is: 18,470.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,608.83 : 57,922.25 = 12,311.55 : x
  2. Step 2: Convert to fraction form
    38,608.83/57,922.25 = 12,311.55/x
  3. Step 3: Cross multiply
    38,608.83x = 57,922.25 × 12,311.55
  4. Step 4: Simplify right side
    38,608.83x = 713,112,615.43
  5. Step 5: Solve for x
    x = 713,112,615.43/38,608.83
  6. Step 6: Final answer
    x = 18,470.19

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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.