Home / 51,296.28-76,971.50-36,399.66

Finding the Fourth Proportional to 51,296.28, 76,971.50 and 36,399.66

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Solution

The fourth proportional to 51,296.28, 76,971.50 and 36,399.66 is: 54,618.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,296.28 : 76,971.50 = 36,399.66 : x
  2. Step 2: Convert to fraction form
    51,296.28/76,971.50 = 36,399.66/x
  3. Step 3: Cross multiply
    51,296.28x = 76,971.50 × 36,399.66
  4. Step 4: Simplify right side
    51,296.28x = 2,801,736,429.69
  5. Step 5: Solve for x
    x = 2,801,736,429.69/51,296.28
  6. Step 6: Final answer
    x = 54,618.71

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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.