Home / 38,179.10-52,685.60-21,184.09

Finding the Fourth Proportional to 38,179.10, 52,685.60 and 21,184.09

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Solution

The fourth proportional to 38,179.10, 52,685.60 and 21,184.09 is: 29,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179.10 : 52,685.60 = 21,184.09 : x
  2. Step 2: Convert to fraction form
    38,179.10/52,685.60 = 21,184.09/x
  3. Step 3: Cross multiply
    38,179.10x = 52,685.60 × 21,184.09
  4. Step 4: Simplify right side
    38,179.10x = 1,116,096,492.10
  5. Step 5: Solve for x
    x = 1,116,096,492.10/38,179.10
  6. Step 6: Final answer
    x = 29,233.18

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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.