Home / 88,380.13-132,570.46-21,820.26

Finding the Fourth Proportional to 88,380.13, 132,570.46 and 21,820.26

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Solution

The fourth proportional to 88,380.13, 132,570.46 and 21,820.26 is: 32,730.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,380.13 : 132,570.46 = 21,820.26 : x
  2. Step 2: Convert to fraction form
    88,380.13/132,570.46 = 21,820.26/x
  3. Step 3: Cross multiply
    88,380.13x = 132,570.46 × 21,820.26
  4. Step 4: Simplify right side
    88,380.13x = 2,892,721,850.97
  5. Step 5: Solve for x
    x = 2,892,721,850.97/88,380.13
  6. Step 6: Final answer
    x = 32,730.46

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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.