Home / 29,187.90-43,822.40-20,282.25

Finding the Fourth Proportional to 29,187.90, 43,822.40 and 20,282.25

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Solution

The fourth proportional to 29,187.90, 43,822.40 and 20,282.25 is: 30,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,187.90 : 43,822.40 = 20,282.25 : x
  2. Step 2: Convert to fraction form
    29,187.90/43,822.40 = 20,282.25/x
  3. Step 3: Cross multiply
    29,187.90x = 43,822.40 × 20,282.25
  4. Step 4: Simplify right side
    29,187.90x = 888,816,872.40
  5. Step 5: Solve for x
    x = 888,816,872.40/29,187.90
  6. Step 6: Final answer
    x = 30,451.55

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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.