Home / 38,185.98-52,692.38-21,189.66

Finding the Fourth Proportional to 38,185.98, 52,692.38 and 21,189.66

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Solution

The fourth proportional to 38,185.98, 52,692.38 and 21,189.66 is: 29,239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,185.98 : 52,692.38 = 21,189.66 : x
  2. Step 2: Convert to fraction form
    38,185.98/52,692.38 = 21,189.66/x
  3. Step 3: Cross multiply
    38,185.98x = 52,692.38 × 21,189.66
  4. Step 4: Simplify right side
    38,185.98x = 1,116,533,616.79
  5. Step 5: Solve for x
    x = 1,116,533,616.79/38,185.98
  6. Step 6: Final answer
    x = 29,239.36

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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.