Home / 51,278.52-76,902.66-21,695.70

Finding the Fourth Proportional to 51,278.52, 76,902.66 and 21,695.70

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Solution

The fourth proportional to 51,278.52, 76,902.66 and 21,695.70 is: 32,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,278.52 : 76,902.66 = 21,695.70 : x
  2. Step 2: Convert to fraction form
    51,278.52/76,902.66 = 21,695.70/x
  3. Step 3: Cross multiply
    51,278.52x = 76,902.66 × 21,695.70
  4. Step 4: Simplify right side
    51,278.52x = 1,668,457,040.56
  5. Step 5: Solve for x
    x = 1,668,457,040.56/51,278.52
  6. Step 6: Final answer
    x = 32,537.15

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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.