Home / 50,172.78-69,237.92-27,511.72

Finding the Fourth Proportional to 50,172.78, 69,237.92 and 27,511.72

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Solution

The fourth proportional to 50,172.78, 69,237.92 and 27,511.72 is: 37,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,172.78 : 69,237.92 = 27,511.72 : x
  2. Step 2: Convert to fraction form
    50,172.78/69,237.92 = 27,511.72/x
  3. Step 3: Cross multiply
    50,172.78x = 69,237.92 × 27,511.72
  4. Step 4: Simplify right side
    50,172.78x = 1,904,854,164.11
  5. Step 5: Solve for x
    x = 1,904,854,164.11/50,172.78
  6. Step 6: Final answer
    x = 37,965.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.