Home / 51,576.49-71,180.60-28,915.52

Finding the Fourth Proportional to 51,576.49, 71,180.60 and 28,915.52

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Solution

The fourth proportional to 51,576.49, 71,180.60 and 28,915.52 is: 39,906.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,576.49 : 71,180.60 = 28,915.52 : x
  2. Step 2: Convert to fraction form
    51,576.49/71,180.60 = 28,915.52/x
  3. Step 3: Cross multiply
    51,576.49x = 71,180.60 × 28,915.52
  4. Step 4: Simplify right side
    51,576.49x = 2,058,224,096.29
  5. Step 5: Solve for x
    x = 2,058,224,096.29/51,576.49
  6. Step 6: Final answer
    x = 39,906.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.