Home / 51,081.26-76,621.12-22,981.47

Finding the Fourth Proportional to 51,081.26, 76,621.12 and 22,981.47

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Solution

The fourth proportional to 51,081.26, 76,621.12 and 22,981.47 is: 34,471.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,081.26 : 76,621.12 = 22,981.47 : x
  2. Step 2: Convert to fraction form
    51,081.26/76,621.12 = 22,981.47/x
  3. Step 3: Cross multiply
    51,081.26x = 76,621.12 × 22,981.47
  4. Step 4: Simplify right side
    51,081.26x = 1,760,865,855.74
  5. Step 5: Solve for x
    x = 1,760,865,855.74/51,081.26
  6. Step 6: Final answer
    x = 34,471.86

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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.