Home / 84,555.36-126,822.96-22,230.72

Finding the Fourth Proportional to 84,555.36, 126,822.96 and 22,230.72

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Solution

The fourth proportional to 84,555.36, 126,822.96 and 22,230.72 is: 33,343.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,555.36 : 126,822.96 = 22,230.72 : x
  2. Step 2: Convert to fraction form
    84,555.36/126,822.96 = 22,230.72/x
  3. Step 3: Cross multiply
    84,555.36x = 126,822.96 × 22,230.72
  4. Step 4: Simplify right side
    84,555.36x = 2,819,365,713.33
  5. Step 5: Solve for x
    x = 2,819,365,713.33/84,555.36
  6. Step 6: Final answer
    x = 33,343.43

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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.