Home / 51,134.87-76,705.79-17,387.15

Finding the Fourth Proportional to 51,134.87, 76,705.79 and 17,387.15

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Solution

The fourth proportional to 51,134.87, 76,705.79 and 17,387.15 is: 26,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,134.87 : 76,705.79 = 17,387.15 : x
  2. Step 2: Convert to fraction form
    51,134.87/76,705.79 = 17,387.15/x
  3. Step 3: Cross multiply
    51,134.87x = 76,705.79 × 17,387.15
  4. Step 4: Simplify right side
    51,134.87x = 1,333,694,606.13
  5. Step 5: Solve for x
    x = 1,333,694,606.13/51,134.87
  6. Step 6: Final answer
    x = 26,081.90

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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.