Home / 39,187.14-54,076.45-22,191.00

Finding the Fourth Proportional to 39,187.14, 54,076.45 and 22,191.00

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Solution

The fourth proportional to 39,187.14, 54,076.45 and 22,191.00 is: 30,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,187.14 : 54,076.45 = 22,191.00 : x
  2. Step 2: Convert to fraction form
    39,187.14/54,076.45 = 22,191.00/x
  3. Step 3: Cross multiply
    39,187.14x = 54,076.45 × 22,191.00
  4. Step 4: Simplify right side
    39,187.14x = 1,200,010,270.26
  5. Step 5: Solve for x
    x = 1,200,010,270.26/39,187.14
  6. Step 6: Final answer
    x = 30,622.55

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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.