Home / 39,930.11-55,103.31-22,025.07

Finding the Fourth Proportional to 39,930.11, 55,103.31 and 22,025.07

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Solution

The fourth proportional to 39,930.11, 55,103.31 and 22,025.07 is: 30,394.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930.11 : 55,103.31 = 22,025.07 : x
  2. Step 2: Convert to fraction form
    39,930.11/55,103.31 = 22,025.07/x
  3. Step 3: Cross multiply
    39,930.11x = 55,103.31 × 22,025.07
  4. Step 4: Simplify right side
    39,930.11x = 1,213,654,259.98
  5. Step 5: Solve for x
    x = 1,213,654,259.98/39,930.11
  6. Step 6: Final answer
    x = 30,394.46

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1.5x scale

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.