Home / 51,103.89-76,668.65-30,061.53

Finding the Fourth Proportional to 51,103.89, 76,668.65 and 30,061.53

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Solution

The fourth proportional to 51,103.89, 76,668.65 and 30,061.53 is: 45,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,103.89 : 76,668.65 = 30,061.53 : x
  2. Step 2: Convert to fraction form
    51,103.89/76,668.65 = 30,061.53/x
  3. Step 3: Cross multiply
    51,103.89x = 76,668.65 × 30,061.53
  4. Step 4: Simplify right side
    51,103.89x = 2,304,776,778.77
  5. Step 5: Solve for x
    x = 2,304,776,778.77/51,103.89
  6. Step 6: Final answer
    x = 45,099.83

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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.