Home / 39,858.80-55,020.06-26,434.58

Finding the Fourth Proportional to 39,858.80, 55,020.06 and 26,434.58

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Solution

The fourth proportional to 39,858.80, 55,020.06 and 26,434.58 is: 36,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,858.80 : 55,020.06 = 26,434.58 : x
  2. Step 2: Convert to fraction form
    39,858.80/55,020.06 = 26,434.58/x
  3. Step 3: Cross multiply
    39,858.80x = 55,020.06 × 26,434.58
  4. Step 4: Simplify right side
    39,858.80x = 1,454,431,902.57
  5. Step 5: Solve for x
    x = 1,454,431,902.57/39,858.80
  6. Step 6: Final answer
    x = 36,489.61

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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.