Home / 54,397.20-81,464.40-30,952.56

Finding the Fourth Proportional to 54,397.20, 81,464.40 and 30,952.56

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Solution

The fourth proportional to 54,397.20, 81,464.40 and 30,952.56 is: 46,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,397.20 : 81,464.40 = 30,952.56 : x
  2. Step 2: Convert to fraction form
    54,397.20/81,464.40 = 30,952.56/x
  3. Step 3: Cross multiply
    54,397.20x = 81,464.40 × 30,952.56
  4. Step 4: Simplify right side
    54,397.20x = 2,521,531,728.86
  5. Step 5: Solve for x
    x = 2,521,531,728.86/54,397.20
  6. Step 6: Final answer
    x = 46,354.07

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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.