Home / 38,100.38-52,578.62-21,333.38

Finding the Fourth Proportional to 38,100.38, 52,578.62 and 21,333.38

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Solution

The fourth proportional to 38,100.38, 52,578.62 and 21,333.38 is: 29,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,100.38 : 52,578.62 = 21,333.38 : x
  2. Step 2: Convert to fraction form
    38,100.38/52,578.62 = 21,333.38/x
  3. Step 3: Cross multiply
    38,100.38x = 52,578.62 × 21,333.38
  4. Step 4: Simplify right side
    38,100.38x = 1,121,679,390.78
  5. Step 5: Solve for x
    x = 1,121,679,390.78/38,100.38
  6. Step 6: Final answer
    x = 29,440.11

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Half scale
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Double scale
Find fourth proportional to 38,101.38, 52,580 and 21,334.38
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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.