Home / 45,540.96-68,314.40-19,242.24

Finding the Fourth Proportional to 45,540.96, 68,314.40 and 19,242.24

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Solution

The fourth proportional to 45,540.96, 68,314.40 and 19,242.24 is: 28,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,540.96 : 68,314.40 = 19,242.24 : x
  2. Step 2: Convert to fraction form
    45,540.96/68,314.40 = 19,242.24/x
  3. Step 3: Cross multiply
    45,540.96x = 68,314.40 × 19,242.24
  4. Step 4: Simplify right side
    45,540.96x = 1,314,522,080.26
  5. Step 5: Solve for x
    x = 1,314,522,080.26/45,540.96
  6. Step 6: Final answer
    x = 28,864.61

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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.