Home / 51,240.50-76,872.12-15,706.74

Finding the Fourth Proportional to 51,240.50, 76,872.12 and 15,706.74

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Solution

The fourth proportional to 51,240.50, 76,872.12 and 15,706.74 is: 23,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,240.50 : 76,872.12 = 15,706.74 : x
  2. Step 2: Convert to fraction form
    51,240.50/76,872.12 = 15,706.74/x
  3. Step 3: Cross multiply
    51,240.50x = 76,872.12 × 15,706.74
  4. Step 4: Simplify right side
    51,240.50x = 1,207,410,323.56
  5. Step 5: Solve for x
    x = 1,207,410,323.56/51,240.50
  6. Step 6: Final answer
    x = 23,563.60

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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.