Home / 39,597.22-54,644.17-21,692.86

Finding the Fourth Proportional to 39,597.22, 54,644.17 and 21,692.86

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Solution

The fourth proportional to 39,597.22, 54,644.17 and 21,692.86 is: 29,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,597.22 : 54,644.17 = 21,692.86 : x
  2. Step 2: Convert to fraction form
    39,597.22/54,644.17 = 21,692.86/x
  3. Step 3: Cross multiply
    39,597.22x = 54,644.17 × 21,692.86
  4. Step 4: Simplify right side
    39,597.22x = 1,185,388,329.63
  5. Step 5: Solve for x
    x = 1,185,388,329.63/39,597.22
  6. Step 6: Final answer
    x = 29,936.15

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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.