Home / 49,901.39-68,861.50-28,389.11

Finding the Fourth Proportional to 49,901.39, 68,861.50 and 28,389.11

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Solution

The fourth proportional to 49,901.39, 68,861.50 and 28,389.11 is: 39,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,901.39 : 68,861.50 = 28,389.11 : x
  2. Step 2: Convert to fraction form
    49,901.39/68,861.50 = 28,389.11/x
  3. Step 3: Cross multiply
    49,901.39x = 68,861.50 × 28,389.11
  4. Step 4: Simplify right side
    49,901.39x = 1,954,916,670.33
  5. Step 5: Solve for x
    x = 1,954,916,670.33/49,901.39
  6. Step 6: Final answer
    x = 39,175.59

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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.