Home / 38,120.01-52,605.62-21,353.01

Finding the Fourth Proportional to 38,120.01, 52,605.62 and 21,353.01

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Solution

The fourth proportional to 38,120.01, 52,605.62 and 21,353.01 is: 29,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,120.01 : 52,605.62 = 21,353.01 : x
  2. Step 2: Convert to fraction form
    38,120.01/52,605.62 = 21,353.01/x
  3. Step 3: Cross multiply
    38,120.01x = 52,605.62 × 21,353.01
  4. Step 4: Simplify right side
    38,120.01x = 1,123,288,223.15
  5. Step 5: Solve for x
    x = 1,123,288,223.15/38,120.01
  6. Step 6: Final answer
    x = 29,467.15

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Half scale
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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.