Home / 50,446.49-75,651.10-21,979.91

Finding the Fourth Proportional to 50,446.49, 75,651.10 and 21,979.91

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Solution

The fourth proportional to 50,446.49, 75,651.10 and 21,979.91 is: 32,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,446.49 : 75,651.10 = 21,979.91 : x
  2. Step 2: Convert to fraction form
    50,446.49/75,651.10 = 21,979.91/x
  3. Step 3: Cross multiply
    50,446.49x = 75,651.10 × 21,979.91
  4. Step 4: Simplify right side
    50,446.49x = 1,662,804,503.58
  5. Step 5: Solve for x
    x = 1,662,804,503.58/50,446.49
  6. Step 6: Final answer
    x = 32,961.75

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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.