Home / 51,245.84-76,871.06-15,704.55

Finding the Fourth Proportional to 51,245.84, 76,871.06 and 15,704.55

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Solution

The fourth proportional to 51,245.84, 76,871.06 and 15,704.55 is: 23,557.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,245.84 : 76,871.06 = 15,704.55 : x
  2. Step 2: Convert to fraction form
    51,245.84/76,871.06 = 15,704.55/x
  3. Step 3: Cross multiply
    51,245.84x = 76,871.06 × 15,704.55
  4. Step 4: Simplify right side
    51,245.84x = 1,207,225,326.80
  5. Step 5: Solve for x
    x = 1,207,225,326.80/51,245.84
  6. Step 6: Final answer
    x = 23,557.53

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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.