Home / 51,277.59-76,869.61-17,979.30

Finding the Fourth Proportional to 51,277.59, 76,869.61 and 17,979.30

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Solution

The fourth proportional to 51,277.59, 76,869.61 and 17,979.30 is: 26,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,277.59 : 76,869.61 = 17,979.30 : x
  2. Step 2: Convert to fraction form
    51,277.59/76,869.61 = 17,979.30/x
  3. Step 3: Cross multiply
    51,277.59x = 76,869.61 × 17,979.30
  4. Step 4: Simplify right side
    51,277.59x = 1,382,061,734.12
  5. Step 5: Solve for x
    x = 1,382,061,734.12/51,277.59
  6. Step 6: Final answer
    x = 26,952.55

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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.