Home / 39,930.17-55,103.09-22,025.12

Finding the Fourth Proportional to 39,930.17, 55,103.09 and 22,025.12

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Solution

The fourth proportional to 39,930.17, 55,103.09 and 22,025.12 is: 30,394.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930.17 : 55,103.09 = 22,025.12 : x
  2. Step 2: Convert to fraction form
    39,930.17/55,103.09 = 22,025.12/x
  3. Step 3: Cross multiply
    39,930.17x = 55,103.09 × 22,025.12
  4. Step 4: Simplify right side
    39,930.17x = 1,213,651,783.98
  5. Step 5: Solve for x
    x = 1,213,651,783.98/39,930.17
  6. Step 6: Final answer
    x = 30,394.36

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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.