Home / 40,103.04-55,346.36-23,107.96

Finding the Fourth Proportional to 40,103.04, 55,346.36 and 23,107.96

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Solution

The fourth proportional to 40,103.04, 55,346.36 and 23,107.96 is: 31,891.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,103.04 : 55,346.36 = 23,107.96 : x
  2. Step 2: Convert to fraction form
    40,103.04/55,346.36 = 23,107.96/x
  3. Step 3: Cross multiply
    40,103.04x = 55,346.36 × 23,107.96
  4. Step 4: Simplify right side
    40,103.04x = 1,278,941,473.03
  5. Step 5: Solve for x
    x = 1,278,941,473.03/40,103.04
  6. Step 6: Final answer
    x = 31,891.38

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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.