Home / 49,647.60-74,451.72-39,137.82

Finding the Fourth Proportional to 49,647.60, 74,451.72 and 39,137.82

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Solution

The fourth proportional to 49,647.60, 74,451.72 and 39,137.82 is: 58,691.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,647.60 : 74,451.72 = 39,137.82 : x
  2. Step 2: Convert to fraction form
    49,647.60/74,451.72 = 39,137.82/x
  3. Step 3: Cross multiply
    49,647.60x = 74,451.72 × 39,137.82
  4. Step 4: Simplify right side
    49,647.60x = 2,913,878,016.05
  5. Step 5: Solve for x
    x = 2,913,878,016.05/49,647.60
  6. Step 6: Final answer
    x = 58,691.22

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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.