Home / 49,901.50-68,864.22-28,679.38

Finding the Fourth Proportional to 49,901.50, 68,864.22 and 28,679.38

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Solution

The fourth proportional to 49,901.50, 68,864.22 and 28,679.38 is: 39,577.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,901.50 : 68,864.22 = 28,679.38 : x
  2. Step 2: Convert to fraction form
    49,901.50/68,864.22 = 28,679.38/x
  3. Step 3: Cross multiply
    49,901.50x = 68,864.22 × 28,679.38
  4. Step 4: Simplify right side
    49,901.50x = 1,974,983,133.78
  5. Step 5: Solve for x
    x = 1,974,983,133.78/49,901.50
  6. Step 6: Final answer
    x = 39,577.63

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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.