Home / 38,620.49-57,923.57-13,660.74

Finding the Fourth Proportional to 38,620.49, 57,923.57 and 13,660.74

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Solution

The fourth proportional to 38,620.49, 57,923.57 and 13,660.74 is: 20,488.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,620.49 : 57,923.57 = 13,660.74 : x
  2. Step 2: Convert to fraction form
    38,620.49/57,923.57 = 13,660.74/x
  3. Step 3: Cross multiply
    38,620.49x = 57,923.57 × 13,660.74
  4. Step 4: Simplify right side
    38,620.49x = 791,278,863.79
  5. Step 5: Solve for x
    x = 791,278,863.79/38,620.49
  6. Step 6: Final answer
    x = 20,488.58

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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.