Home / 54,576.56-81,849.72-15,130.64

Finding the Fourth Proportional to 54,576.56, 81,849.72 and 15,130.64

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Solution

The fourth proportional to 54,576.56, 81,849.72 and 15,130.64 is: 22,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,576.56 : 81,849.72 = 15,130.64 : x
  2. Step 2: Convert to fraction form
    54,576.56/81,849.72 = 15,130.64/x
  3. Step 3: Cross multiply
    54,576.56x = 81,849.72 × 15,130.64
  4. Step 4: Simplify right side
    54,576.56x = 1,238,438,647.42
  5. Step 5: Solve for x
    x = 1,238,438,647.42/54,576.56
  6. Step 6: Final answer
    x = 22,691.77

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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.