Home / 51,079.10-76,618.79-15,540.76

Finding the Fourth Proportional to 51,079.10, 76,618.79 and 15,540.76

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Solution

The fourth proportional to 51,079.10, 76,618.79 and 15,540.76 is: 23,311.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,079.10 : 76,618.79 = 15,540.76 : x
  2. Step 2: Convert to fraction form
    51,079.10/76,618.79 = 15,540.76/x
  3. Step 3: Cross multiply
    51,079.10x = 76,618.79 × 15,540.76
  4. Step 4: Simplify right side
    51,079.10x = 1,190,713,766.08
  5. Step 5: Solve for x
    x = 1,190,713,766.08/51,079.10
  6. Step 6: Final answer
    x = 23,311.17

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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.