Home / 49,468.79-74,173.12-19,447.09

Finding the Fourth Proportional to 49,468.79, 74,173.12 and 19,447.09

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Solution

The fourth proportional to 49,468.79, 74,173.12 and 19,447.09 is: 29,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,468.79 : 74,173.12 = 19,447.09 : x
  2. Step 2: Convert to fraction form
    49,468.79/74,173.12 = 19,447.09/x
  3. Step 3: Cross multiply
    49,468.79x = 74,173.12 × 19,447.09
  4. Step 4: Simplify right side
    49,468.79x = 1,442,451,106.17
  5. Step 5: Solve for x
    x = 1,442,451,106.17/49,468.79
  6. Step 6: Final answer
    x = 29,158.81

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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.