Home / 54,747.20-82,123.23-21,464.30

Finding the Fourth Proportional to 54,747.20, 82,123.23 and 21,464.30

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Solution

The fourth proportional to 54,747.20, 82,123.23 and 21,464.30 is: 32,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,747.20 : 82,123.23 = 21,464.30 : x
  2. Step 2: Convert to fraction form
    54,747.20/82,123.23 = 21,464.30/x
  3. Step 3: Cross multiply
    54,747.20x = 82,123.23 × 21,464.30
  4. Step 4: Simplify right side
    54,747.20x = 1,762,717,645.69
  5. Step 5: Solve for x
    x = 1,762,717,645.69/54,747.20
  6. Step 6: Final answer
    x = 32,197.40

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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.