Home / 39,191.40-54,087.47-22,198.67

Finding the Fourth Proportional to 39,191.40, 54,087.47 and 22,198.67

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Solution

The fourth proportional to 39,191.40, 54,087.47 and 22,198.67 is: 30,636.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,191.40 : 54,087.47 = 22,198.67 : x
  2. Step 2: Convert to fraction form
    39,191.40/54,087.47 = 22,198.67/x
  3. Step 3: Cross multiply
    39,191.40x = 54,087.47 × 22,198.67
  4. Step 4: Simplify right side
    39,191.40x = 1,200,669,897.66
  5. Step 5: Solve for x
    x = 1,200,669,897.66/39,191.40
  6. Step 6: Final answer
    x = 30,636.06

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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.