Home / 51,793.53-77,679.06-18,515.91

Finding the Fourth Proportional to 51,793.53, 77,679.06 and 18,515.91

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Solution

The fourth proportional to 51,793.53, 77,679.06 and 18,515.91 is: 27,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,793.53 : 77,679.06 = 18,515.91 : x
  2. Step 2: Convert to fraction form
    51,793.53/77,679.06 = 18,515.91/x
  3. Step 3: Cross multiply
    51,793.53x = 77,679.06 × 18,515.91
  4. Step 4: Simplify right side
    51,793.53x = 1,438,298,483.84
  5. Step 5: Solve for x
    x = 1,438,298,483.84/51,793.53
  6. Step 6: Final answer
    x = 27,769.85

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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.