Home / 39,388.01-54,360.12-22,394.82

Finding the Fourth Proportional to 39,388.01, 54,360.12 and 22,394.82

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Solution

The fourth proportional to 39,388.01, 54,360.12 and 22,394.82 is: 30,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,388.01 : 54,360.12 = 22,394.82 : x
  2. Step 2: Convert to fraction form
    39,388.01/54,360.12 = 22,394.82/x
  3. Step 3: Cross multiply
    39,388.01x = 54,360.12 × 22,394.82
  4. Step 4: Simplify right side
    39,388.01x = 1,217,384,830.78
  5. Step 5: Solve for x
    x = 1,217,384,830.78/39,388.01
  6. Step 6: Final answer
    x = 30,907.50

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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.