Home / 39,983.06-55,176.62-22,078.10

Finding the Fourth Proportional to 39,983.06, 55,176.62 and 22,078.10

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Solution

The fourth proportional to 39,983.06, 55,176.62 and 22,078.10 is: 30,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.06 : 55,176.62 = 22,078.10 : x
  2. Step 2: Convert to fraction form
    39,983.06/55,176.62 = 22,078.10/x
  3. Step 3: Cross multiply
    39,983.06x = 55,176.62 × 22,078.10
  4. Step 4: Simplify right side
    39,983.06x = 1,218,194,547.75
  5. Step 5: Solve for x
    x = 1,218,194,547.75/39,983.06
  6. Step 6: Final answer
    x = 30,467.77

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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.