Home / 39,960.29-55,143.69-22,054.97

Finding the Fourth Proportional to 39,960.29, 55,143.69 and 22,054.97

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Solution

The fourth proportional to 39,960.29, 55,143.69 and 22,054.97 is: 30,435.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960.29 : 55,143.69 = 22,054.97 : x
  2. Step 2: Convert to fraction form
    39,960.29/55,143.69 = 22,054.97/x
  3. Step 3: Cross multiply
    39,960.29x = 55,143.69 × 22,054.97
  4. Step 4: Simplify right side
    39,960.29x = 1,216,192,152.92
  5. Step 5: Solve for x
    x = 1,216,192,152.92/39,960.29
  6. Step 6: Final answer
    x = 30,435.02

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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.