Home / 38,186.82-52,698.12-21,191.14

Finding the Fourth Proportional to 38,186.82, 52,698.12 and 21,191.14

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Solution

The fourth proportional to 38,186.82, 52,698.12 and 21,191.14 is: 29,243.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,186.82 : 52,698.12 = 21,191.14 : x
  2. Step 2: Convert to fraction form
    38,186.82/52,698.12 = 21,191.14/x
  3. Step 3: Cross multiply
    38,186.82x = 52,698.12 × 21,191.14
  4. Step 4: Simplify right side
    38,186.82x = 1,116,733,238.66
  5. Step 5: Solve for x
    x = 1,116,733,238.66/38,186.82
  6. Step 6: Final answer
    x = 29,243.94

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Double scale
Find fourth proportional to 38,187.82, 52,699.50 and 21,192.14
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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.