Home / 51,122.91-76,691.57-17,838.12

Finding the Fourth Proportional to 51,122.91, 76,691.57 and 17,838.12

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Solution

The fourth proportional to 51,122.91, 76,691.57 and 17,838.12 is: 26,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,122.91 : 76,691.57 = 17,838.12 : x
  2. Step 2: Convert to fraction form
    51,122.91/76,691.57 = 17,838.12/x
  3. Step 3: Cross multiply
    51,122.91x = 76,691.57 × 17,838.12
  4. Step 4: Simplify right side
    51,122.91x = 1,368,033,339.46
  5. Step 5: Solve for x
    x = 1,368,033,339.46/51,122.91
  6. Step 6: Final answer
    x = 26,759.69

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1.5x scale

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.