Home / 54,485.12-81,732.38-15,042.24

Finding the Fourth Proportional to 54,485.12, 81,732.38 and 15,042.24

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Solution

The fourth proportional to 54,485.12, 81,732.38 and 15,042.24 is: 22,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,485.12 : 81,732.38 = 15,042.24 : x
  2. Step 2: Convert to fraction form
    54,485.12/81,732.38 = 15,042.24/x
  3. Step 3: Cross multiply
    54,485.12x = 81,732.38 × 15,042.24
  4. Step 4: Simplify right side
    54,485.12x = 1,229,438,075.73
  5. Step 5: Solve for x
    x = 1,229,438,075.73/54,485.12
  6. Step 6: Final answer
    x = 22,564.66

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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.