Home / 40,103.11-55,346.41-23,107.99

Finding the Fourth Proportional to 40,103.11, 55,346.41 and 23,107.99

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Solution

The fourth proportional to 40,103.11, 55,346.41 and 23,107.99 is: 31,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,103.11 : 55,346.41 = 23,107.99 : x
  2. Step 2: Convert to fraction form
    40,103.11/55,346.41 = 23,107.99/x
  3. Step 3: Cross multiply
    40,103.11x = 55,346.41 × 23,107.99
  4. Step 4: Simplify right side
    40,103.11x = 1,278,944,173.28
  5. Step 5: Solve for x
    x = 1,278,944,173.28/40,103.11
  6. Step 6: Final answer
    x = 31,891.40

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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.