Home / 51,949.09-78,064.32-28,274.14

Finding the Fourth Proportional to 51,949.09, 78,064.32 and 28,274.14

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Solution

The fourth proportional to 51,949.09, 78,064.32 and 28,274.14 is: 42,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,949.09 : 78,064.32 = 28,274.14 : x
  2. Step 2: Convert to fraction form
    51,949.09/78,064.32 = 28,274.14/x
  3. Step 3: Cross multiply
    51,949.09x = 78,064.32 × 28,274.14
  4. Step 4: Simplify right side
    51,949.09x = 2,207,201,512.68
  5. Step 5: Solve for x
    x = 2,207,201,512.68/51,949.09
  6. Step 6: Final answer
    x = 42,487.78

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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.