Home / 39,971.45-55,160.78-22,066.61

Finding the Fourth Proportional to 39,971.45, 55,160.78 and 22,066.61

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Solution

The fourth proportional to 39,971.45, 55,160.78 and 22,066.61 is: 30,452.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.45 : 55,160.78 = 22,066.61 : x
  2. Step 2: Convert to fraction form
    39,971.45/55,160.78 = 22,066.61/x
  3. Step 3: Cross multiply
    39,971.45x = 55,160.78 × 22,066.61
  4. Step 4: Simplify right side
    39,971.45x = 1,217,211,033.42
  5. Step 5: Solve for x
    x = 1,217,211,033.42/39,971.45
  6. Step 6: Final answer
    x = 30,452.01

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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.