Home / 49,664.78-74,543.98-18,105.36

Finding the Fourth Proportional to 49,664.78, 74,543.98 and 18,105.36

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Solution

The fourth proportional to 49,664.78, 74,543.98 and 18,105.36 is: 27,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,664.78 : 74,543.98 = 18,105.36 : x
  2. Step 2: Convert to fraction form
    49,664.78/74,543.98 = 18,105.36/x
  3. Step 3: Cross multiply
    49,664.78x = 74,543.98 × 18,105.36
  4. Step 4: Simplify right side
    49,664.78x = 1,349,645,593.73
  5. Step 5: Solve for x
    x = 1,349,645,593.73/49,664.78
  6. Step 6: Final answer
    x = 27,175.10

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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.