Home / 54,917.76-82,368-15,479.04

Finding the Fourth Proportional to 54,917.76, 82,368 and 15,479.04

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Solution

The fourth proportional to 54,917.76, 82,368 and 15,479.04 is: 23,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,917.76 : 82,368 = 15,479.04 : x
  2. Step 2: Convert to fraction form
    54,917.76/82,368 = 15,479.04/x
  3. Step 3: Cross multiply
    54,917.76x = 82,368 × 15,479.04
  4. Step 4: Simplify right side
    54,917.76x = 1,274,977,566.72
  5. Step 5: Solve for x
    x = 1,274,977,566.72/54,917.76
  6. Step 6: Final answer
    x = 23,216.12

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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.