Home / 49,410.12-74,092.68-21,316.86

Finding the Fourth Proportional to 49,410.12, 74,092.68 and 21,316.86

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Solution

The fourth proportional to 49,410.12, 74,092.68 and 21,316.86 is: 31,965.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,410.12 : 74,092.68 = 21,316.86 : x
  2. Step 2: Convert to fraction form
    49,410.12/74,092.68 = 21,316.86/x
  3. Step 3: Cross multiply
    49,410.12x = 74,092.68 × 21,316.86
  4. Step 4: Simplify right side
    49,410.12x = 1,579,423,286.58
  5. Step 5: Solve for x
    x = 1,579,423,286.58/49,410.12
  6. Step 6: Final answer
    x = 31,965.58

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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.