Home / 39,983.32-55,176.69-22,078.32

Finding the Fourth Proportional to 39,983.32, 55,176.69 and 22,078.32

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Solution

The fourth proportional to 39,983.32, 55,176.69 and 22,078.32 is: 30,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.32 : 55,176.69 = 22,078.32 : x
  2. Step 2: Convert to fraction form
    39,983.32/55,176.69 = 22,078.32/x
  3. Step 3: Cross multiply
    39,983.32x = 55,176.69 × 22,078.32
  4. Step 4: Simplify right side
    39,983.32x = 1,218,208,618.36
  5. Step 5: Solve for x
    x = 1,218,208,618.36/39,983.32
  6. Step 6: Final answer
    x = 30,467.92

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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.