Home / 55,338.12-83,063.68-40,502.97

Finding the Fourth Proportional to 55,338.12, 83,063.68 and 40,502.97

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Solution

The fourth proportional to 55,338.12, 83,063.68 and 40,502.97 is: 60,795.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,338.12 : 83,063.68 = 40,502.97 : x
  2. Step 2: Convert to fraction form
    55,338.12/83,063.68 = 40,502.97/x
  3. Step 3: Cross multiply
    55,338.12x = 83,063.68 × 40,502.97
  4. Step 4: Simplify right side
    55,338.12x = 3,364,325,637.87
  5. Step 5: Solve for x
    x = 3,364,325,637.87/55,338.12
  6. Step 6: Final answer
    x = 60,795.81

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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.