Home / 38,446.25-57,635.04-20,686.44

Finding the Fourth Proportional to 38,446.25, 57,635.04 and 20,686.44

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Solution

The fourth proportional to 38,446.25, 57,635.04 and 20,686.44 is: 31,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,446.25 : 57,635.04 = 20,686.44 : x
  2. Step 2: Convert to fraction form
    38,446.25/57,635.04 = 20,686.44/x
  3. Step 3: Cross multiply
    38,446.25x = 57,635.04 × 20,686.44
  4. Step 4: Simplify right side
    38,446.25x = 1,192,263,766.37
  5. Step 5: Solve for x
    x = 1,192,263,766.37/38,446.25
  6. Step 6: Final answer
    x = 31,011.19

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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.