Home / 39,971.83-55,161.58-22,066.85

Finding the Fourth Proportional to 39,971.83, 55,161.58 and 22,066.85

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Solution

The fourth proportional to 39,971.83, 55,161.58 and 22,066.85 is: 30,452.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.83 : 55,161.58 = 22,066.85 : x
  2. Step 2: Convert to fraction form
    39,971.83/55,161.58 = 22,066.85/x
  3. Step 3: Cross multiply
    39,971.83x = 55,161.58 × 22,066.85
  4. Step 4: Simplify right side
    39,971.83x = 1,217,242,311.62
  5. Step 5: Solve for x
    x = 1,217,242,311.62/39,971.83
  6. Step 6: Final answer
    x = 30,452.50

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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.