Home / 39,794.00-54,917.18-21,890.36

Finding the Fourth Proportional to 39,794.00, 54,917.18 and 21,890.36

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Solution

The fourth proportional to 39,794.00, 54,917.18 and 21,890.36 is: 30,209.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,794.00 : 54,917.18 = 21,890.36 : x
  2. Step 2: Convert to fraction form
    39,794.00/54,917.18 = 21,890.36/x
  3. Step 3: Cross multiply
    39,794.00x = 54,917.18 × 21,890.36
  4. Step 4: Simplify right side
    39,794.00x = 1,202,156,950.31
  5. Step 5: Solve for x
    x = 1,202,156,950.31/39,794.00
  6. Step 6: Final answer
    x = 30,209.51

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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.