Home / 39,261.12-54,189.98-22,275.31

Finding the Fourth Proportional to 39,261.12, 54,189.98 and 22,275.31

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Solution

The fourth proportional to 39,261.12, 54,189.98 and 22,275.31 is: 30,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,261.12 : 54,189.98 = 22,275.31 : x
  2. Step 2: Convert to fraction form
    39,261.12/54,189.98 = 22,275.31/x
  3. Step 3: Cross multiply
    39,261.12x = 54,189.98 × 22,275.31
  4. Step 4: Simplify right side
    39,261.12x = 1,207,098,356.54
  5. Step 5: Solve for x
    x = 1,207,098,356.54/39,261.12
  6. Step 6: Final answer
    x = 30,745.39

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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.