Home / 49,211.37-74,149.18-40,638.33

Finding the Fourth Proportional to 49,211.37, 74,149.18 and 40,638.33

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Solution

The fourth proportional to 49,211.37, 74,149.18 and 40,638.33 is: 61,231.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,211.37 : 74,149.18 = 40,638.33 : x
  2. Step 2: Convert to fraction form
    49,211.37/74,149.18 = 40,638.33/x
  3. Step 3: Cross multiply
    49,211.37x = 74,149.18 × 40,638.33
  4. Step 4: Simplify right side
    49,211.37x = 3,013,298,744.47
  5. Step 5: Solve for x
    x = 3,013,298,744.47/49,211.37
  6. Step 6: Final answer
    x = 61,231.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.