Home / 39,191.22-54,068.64-22,191.56

Finding the Fourth Proportional to 39,191.22, 54,068.64 and 22,191.56

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Solution

The fourth proportional to 39,191.22, 54,068.64 and 22,191.56 is: 30,615.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,191.22 : 54,068.64 = 22,191.56 : x
  2. Step 2: Convert to fraction form
    39,191.22/54,068.64 = 22,191.56/x
  3. Step 3: Cross multiply
    39,191.22x = 54,068.64 × 22,191.56
  4. Step 4: Simplify right side
    39,191.22x = 1,199,867,468.68
  5. Step 5: Solve for x
    x = 1,199,867,468.68/39,191.22
  6. Step 6: Final answer
    x = 30,615.72

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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.