Home / 38,184.82-52,694.20-21,188.84

Finding the Fourth Proportional to 38,184.82, 52,694.20 and 21,188.84

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Solution

The fourth proportional to 38,184.82, 52,694.20 and 21,188.84 is: 29,240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,184.82 : 52,694.20 = 21,188.84 : x
  2. Step 2: Convert to fraction form
    38,184.82/52,694.20 = 21,188.84/x
  3. Step 3: Cross multiply
    38,184.82x = 52,694.20 × 21,188.84
  4. Step 4: Simplify right side
    38,184.82x = 1,116,528,912.96
  5. Step 5: Solve for x
    x = 1,116,528,912.96/38,184.82
  6. Step 6: Final answer
    x = 29,240.13

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Double scale
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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.