Home / 49,403.52-74,082.60-21,310.11

Finding the Fourth Proportional to 49,403.52, 74,082.60 and 21,310.11

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Solution

The fourth proportional to 49,403.52, 74,082.60 and 21,310.11 is: 31,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,403.52 : 74,082.60 = 21,310.11 : x
  2. Step 2: Convert to fraction form
    49,403.52/74,082.60 = 21,310.11/x
  3. Step 3: Cross multiply
    49,403.52x = 74,082.60 × 21,310.11
  4. Step 4: Simplify right side
    49,403.52x = 1,578,708,355.09
  5. Step 5: Solve for x
    x = 1,578,708,355.09/49,403.52
  6. Step 6: Final answer
    x = 31,955.38

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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.