Home / 40,728.88-61,116.92-22,009.36

Finding the Fourth Proportional to 40,728.88, 61,116.92 and 22,009.36

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Solution

The fourth proportional to 40,728.88, 61,116.92 and 22,009.36 is: 33,026.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,728.88 : 61,116.92 = 22,009.36 : x
  2. Step 2: Convert to fraction form
    40,728.88/61,116.92 = 22,009.36/x
  3. Step 3: Cross multiply
    40,728.88x = 61,116.92 × 22,009.36
  4. Step 4: Simplify right side
    40,728.88x = 1,345,144,294.37
  5. Step 5: Solve for x
    x = 1,345,144,294.37/40,728.88
  6. Step 6: Final answer
    x = 33,026.79

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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.