Home / 51,381.85-77,078.96-18,095.04

Finding the Fourth Proportional to 51,381.85, 77,078.96 and 18,095.04

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Solution

The fourth proportional to 51,381.85, 77,078.96 and 18,095.04 is: 27,144.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,381.85 : 77,078.96 = 18,095.04 : x
  2. Step 2: Convert to fraction form
    51,381.85/77,078.96 = 18,095.04/x
  3. Step 3: Cross multiply
    51,381.85x = 77,078.96 × 18,095.04
  4. Step 4: Simplify right side
    51,381.85x = 1,394,746,864.36
  5. Step 5: Solve for x
    x = 1,394,746,864.36/51,381.85
  6. Step 6: Final answer
    x = 27,144.74

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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.