Home / 45,449.72-68,181.96-13,432.04

Finding the Fourth Proportional to 45,449.72, 68,181.96 and 13,432.04

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Solution

The fourth proportional to 45,449.72, 68,181.96 and 13,432.04 is: 20,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,449.72 : 68,181.96 = 13,432.04 : x
  2. Step 2: Convert to fraction form
    45,449.72/68,181.96 = 13,432.04/x
  3. Step 3: Cross multiply
    45,449.72x = 68,181.96 × 13,432.04
  4. Step 4: Simplify right side
    45,449.72x = 915,822,779.14
  5. Step 5: Solve for x
    x = 915,822,779.14/45,449.72
  6. Step 6: Final answer
    x = 20,150.24

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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.