Home / 39,950.22-55,134.42-22,960.39

Finding the Fourth Proportional to 39,950.22, 55,134.42 and 22,960.39

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Solution

The fourth proportional to 39,950.22, 55,134.42 and 22,960.39 is: 31,687.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,950.22 : 55,134.42 = 22,960.39 : x
  2. Step 2: Convert to fraction form
    39,950.22/55,134.42 = 22,960.39/x
  3. Step 3: Cross multiply
    39,950.22x = 55,134.42 × 22,960.39
  4. Step 4: Simplify right side
    39,950.22x = 1,265,907,726.45
  5. Step 5: Solve for x
    x = 1,265,907,726.45/39,950.22
  6. Step 6: Final answer
    x = 31,687.13

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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.