Home / 51,114.30-70,537.72-28,452.80

Finding the Fourth Proportional to 51,114.30, 70,537.72 and 28,452.80

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Solution

The fourth proportional to 51,114.30, 70,537.72 and 28,452.80 is: 39,264.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,114.30 : 70,537.72 = 28,452.80 : x
  2. Step 2: Convert to fraction form
    51,114.30/70,537.72 = 28,452.80/x
  3. Step 3: Cross multiply
    51,114.30x = 70,537.72 × 28,452.80
  4. Step 4: Simplify right side
    51,114.30x = 2,006,995,639.62
  5. Step 5: Solve for x
    x = 2,006,995,639.62/51,114.30
  6. Step 6: Final answer
    x = 39,264.86

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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.