Home / 45,454.68-68,181.48-11,720.52

Finding the Fourth Proportional to 45,454.68, 68,181.48 and 11,720.52

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Solution

The fourth proportional to 45,454.68, 68,181.48 and 11,720.52 is: 17,580.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,454.68 : 68,181.48 = 11,720.52 : x
  2. Step 2: Convert to fraction form
    45,454.68/68,181.48 = 11,720.52/x
  3. Step 3: Cross multiply
    45,454.68x = 68,181.48 × 11,720.52
  4. Step 4: Simplify right side
    45,454.68x = 799,122,399.97
  5. Step 5: Solve for x
    x = 799,122,399.97/45,454.68
  6. Step 6: Final answer
    x = 17,580.64

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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.