Home / 38,912.62-58,372.44-13,616.32

Finding the Fourth Proportional to 38,912.62, 58,372.44 and 13,616.32

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Solution

The fourth proportional to 38,912.62, 58,372.44 and 13,616.32 is: 20,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,912.62 : 58,372.44 = 13,616.32 : x
  2. Step 2: Convert to fraction form
    38,912.62/58,372.44 = 13,616.32/x
  3. Step 3: Cross multiply
    38,912.62x = 58,372.44 × 13,616.32
  4. Step 4: Simplify right side
    38,912.62x = 794,817,822.22
  5. Step 5: Solve for x
    x = 794,817,822.22/38,912.62
  6. Step 6: Final answer
    x = 20,425.71

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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.