Home / 54,429.20-81,565.92-31,007.24

Finding the Fourth Proportional to 54,429.20, 81,565.92 and 31,007.24

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Solution

The fourth proportional to 54,429.20, 81,565.92 and 31,007.24 is: 46,466.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,429.20 : 81,565.92 = 31,007.24 : x
  2. Step 2: Convert to fraction form
    54,429.20/81,565.92 = 31,007.24/x
  3. Step 3: Cross multiply
    54,429.20x = 81,565.92 × 31,007.24
  4. Step 4: Simplify right side
    54,429.20x = 2,529,134,057.26
  5. Step 5: Solve for x
    x = 2,529,134,057.26/54,429.20
  6. Step 6: Final answer
    x = 46,466.49

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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.