Home / 38,089.64-52,551.79-22,171.12

Finding the Fourth Proportional to 38,089.64, 52,551.79 and 22,171.12

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Solution

The fourth proportional to 38,089.64, 52,551.79 and 22,171.12 is: 30,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,089.64 : 52,551.79 = 22,171.12 : x
  2. Step 2: Convert to fraction form
    38,089.64/52,551.79 = 22,171.12/x
  3. Step 3: Cross multiply
    38,089.64x = 52,551.79 × 22,171.12
  4. Step 4: Simplify right side
    38,089.64x = 1,165,131,855.50
  5. Step 5: Solve for x
    x = 1,165,131,855.50/38,089.64
  6. Step 6: Final answer
    x = 30,589.20

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Half scale
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Double scale
Find fourth proportional to 38,090.64, 52,553.17 and 22,172.12
Similar ratio
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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.