Home / 51,414.48-70,949.16-28,754.37

Finding the Fourth Proportional to 51,414.48, 70,949.16 and 28,754.37

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Solution

The fourth proportional to 51,414.48, 70,949.16 and 28,754.37 is: 39,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,414.48 : 70,949.16 = 28,754.37 : x
  2. Step 2: Convert to fraction form
    51,414.48/70,949.16 = 28,754.37/x
  3. Step 3: Cross multiply
    51,414.48x = 70,949.16 × 28,754.37
  4. Step 4: Simplify right side
    51,414.48x = 2,040,098,397.83
  5. Step 5: Solve for x
    x = 2,040,098,397.83/51,414.48
  6. Step 6: Final answer
    x = 39,679.45

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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.