Home / 55,091.20-82,713.60-34,355.20

Finding the Fourth Proportional to 55,091.20, 82,713.60 and 34,355.20

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Solution

The fourth proportional to 55,091.20, 82,713.60 and 34,355.20 is: 51,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,091.20 : 82,713.60 = 34,355.20 : x
  2. Step 2: Convert to fraction form
    55,091.20/82,713.60 = 34,355.20/x
  3. Step 3: Cross multiply
    55,091.20x = 82,713.60 × 34,355.20
  4. Step 4: Simplify right side
    55,091.20x = 2,841,642,270.72
  5. Step 5: Solve for x
    x = 2,841,642,270.72/55,091.20
  6. Step 6: Final answer
    x = 51,580.69

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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.