Home / 39,971.60-55,161.02-22,066.28

Finding the Fourth Proportional to 39,971.60, 55,161.02 and 22,066.28

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Solution

The fourth proportional to 39,971.60, 55,161.02 and 22,066.28 is: 30,451.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.60 : 55,161.02 = 22,066.28 : x
  2. Step 2: Convert to fraction form
    39,971.60/55,161.02 = 22,066.28/x
  3. Step 3: Cross multiply
    39,971.60x = 55,161.02 × 22,066.28
  4. Step 4: Simplify right side
    39,971.60x = 1,217,198,512.41
  5. Step 5: Solve for x
    x = 1,217,198,512.41/39,971.60
  6. Step 6: Final answer
    x = 30,451.58

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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.