Home / 45,522.32-68,254.92-13,921.88

Finding the Fourth Proportional to 45,522.32, 68,254.92 and 13,921.88

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Solution

The fourth proportional to 45,522.32, 68,254.92 and 13,921.88 is: 20,874.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,522.32 : 68,254.92 = 13,921.88 : x
  2. Step 2: Convert to fraction form
    45,522.32/68,254.92 = 13,921.88/x
  3. Step 3: Cross multiply
    45,522.32x = 68,254.92 × 13,921.88
  4. Step 4: Simplify right side
    45,522.32x = 950,236,805.65
  5. Step 5: Solve for x
    x = 950,236,805.65/45,522.32
  6. Step 6: Final answer
    x = 20,874.09

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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.