Home / 51,158.53-76,748.20-21,576.47

Finding the Fourth Proportional to 51,158.53, 76,748.20 and 21,576.47

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Solution

The fourth proportional to 51,158.53, 76,748.20 and 21,576.47 is: 32,369.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,158.53 : 76,748.20 = 21,576.47 : x
  2. Step 2: Convert to fraction form
    51,158.53/76,748.20 = 21,576.47/x
  3. Step 3: Cross multiply
    51,158.53x = 76,748.20 × 21,576.47
  4. Step 4: Simplify right side
    51,158.53x = 1,655,955,234.85
  5. Step 5: Solve for x
    x = 1,655,955,234.85/51,158.53
  6. Step 6: Final answer
    x = 32,369.09

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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.