Home / 51,445.91-76,958.34-38,872.47

Finding the Fourth Proportional to 51,445.91, 76,958.34 and 38,872.47

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Solution

The fourth proportional to 51,445.91, 76,958.34 and 38,872.47 is: 58,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,445.91 : 76,958.34 = 38,872.47 : x
  2. Step 2: Convert to fraction form
    51,445.91/76,958.34 = 38,872.47/x
  3. Step 3: Cross multiply
    51,445.91x = 76,958.34 × 38,872.47
  4. Step 4: Simplify right side
    51,445.91x = 2,991,560,762.90
  5. Step 5: Solve for x
    x = 2,991,560,762.90/51,445.91
  6. Step 6: Final answer
    x = 58,149.64

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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.