Home / 39,971.97-55,160.64-22,066.52

Finding the Fourth Proportional to 39,971.97, 55,160.64 and 22,066.52

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Solution

The fourth proportional to 39,971.97, 55,160.64 and 22,066.52 is: 30,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.97 : 55,160.64 = 22,066.52 : x
  2. Step 2: Convert to fraction form
    39,971.97/55,160.64 = 22,066.52/x
  3. Step 3: Cross multiply
    39,971.97x = 55,160.64 × 22,066.52
  4. Step 4: Simplify right side
    39,971.97x = 1,217,203,365.77
  5. Step 5: Solve for x
    x = 1,217,203,365.77/39,971.97
  6. Step 6: Final answer
    x = 30,451.42

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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.