Home / 49,447.14-74,186.55-14,388.90

Finding the Fourth Proportional to 49,447.14, 74,186.55 and 14,388.90

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Solution

The fourth proportional to 49,447.14, 74,186.55 and 14,388.90 is: 21,587.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,447.14 : 74,186.55 = 14,388.90 : x
  2. Step 2: Convert to fraction form
    49,447.14/74,186.55 = 14,388.90/x
  3. Step 3: Cross multiply
    49,447.14x = 74,186.55 × 14,388.90
  4. Step 4: Simplify right side
    49,447.14x = 1,067,462,849.30
  5. Step 5: Solve for x
    x = 1,067,462,849.30/49,447.14
  6. Step 6: Final answer
    x = 21,587.96

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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.