Home / 51,176.88-76,732.56-21,586.68

Finding the Fourth Proportional to 51,176.88, 76,732.56 and 21,586.68

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Solution

The fourth proportional to 51,176.88, 76,732.56 and 21,586.68 is: 32,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,176.88 : 76,732.56 = 21,586.68 : x
  2. Step 2: Convert to fraction form
    51,176.88/76,732.56 = 21,586.68/x
  3. Step 3: Cross multiply
    51,176.88x = 76,732.56 × 21,586.68
  4. Step 4: Simplify right side
    51,176.88x = 1,656,401,218.30
  5. Step 5: Solve for x
    x = 1,656,401,218.30/51,176.88
  6. Step 6: Final answer
    x = 32,366.20

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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.