Home / 51,251.76-76,878.14-17,972.64

Finding the Fourth Proportional to 51,251.76, 76,878.14 and 17,972.64

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Solution

The fourth proportional to 51,251.76, 76,878.14 and 17,972.64 is: 26,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,251.76 : 76,878.14 = 17,972.64 : x
  2. Step 2: Convert to fraction form
    51,251.76/76,878.14 = 17,972.64/x
  3. Step 3: Cross multiply
    51,251.76x = 76,878.14 × 17,972.64
  4. Step 4: Simplify right side
    51,251.76x = 1,381,703,044.23
  5. Step 5: Solve for x
    x = 1,381,703,044.23/51,251.76
  6. Step 6: Final answer
    x = 26,959.13

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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.