Home / 54,898.16-82,352.09-15,455.61

Finding the Fourth Proportional to 54,898.16, 82,352.09 and 15,455.61

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Solution

The fourth proportional to 54,898.16, 82,352.09 and 15,455.61 is: 23,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,898.16 : 82,352.09 = 15,455.61 : x
  2. Step 2: Convert to fraction form
    54,898.16/82,352.09 = 15,455.61/x
  3. Step 3: Cross multiply
    54,898.16x = 82,352.09 × 15,455.61
  4. Step 4: Simplify right side
    54,898.16x = 1,272,801,824.36
  5. Step 5: Solve for x
    x = 1,272,801,824.36/54,898.16
  6. Step 6: Final answer
    x = 23,184.78

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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.