Home / 51,418.98-70,957.99-28,757.88

Finding the Fourth Proportional to 51,418.98, 70,957.99 and 28,757.88

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Solution

The fourth proportional to 51,418.98, 70,957.99 and 28,757.88 is: 39,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,418.98 : 70,957.99 = 28,757.88 : x
  2. Step 2: Convert to fraction form
    51,418.98/70,957.99 = 28,757.88/x
  3. Step 3: Cross multiply
    51,418.98x = 70,957.99 × 28,757.88
  4. Step 4: Simplify right side
    51,418.98x = 2,040,601,397.41
  5. Step 5: Solve for x
    x = 2,040,601,397.41/51,418.98
  6. Step 6: Final answer
    x = 39,685.76

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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.