Home / 49,835.45-74,768.25-17,810.33

Finding the Fourth Proportional to 49,835.45, 74,768.25 and 17,810.33

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Solution

The fourth proportional to 49,835.45, 74,768.25 and 17,810.33 is: 26,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,835.45 : 74,768.25 = 17,810.33 : x
  2. Step 2: Convert to fraction form
    49,835.45/74,768.25 = 17,810.33/x
  3. Step 3: Cross multiply
    49,835.45x = 74,768.25 × 17,810.33
  4. Step 4: Simplify right side
    49,835.45x = 1,331,646,765.39
  5. Step 5: Solve for x
    x = 1,331,646,765.39/49,835.45
  6. Step 6: Final answer
    x = 26,720.87

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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.