Home / 38,082.96-52,549.56-21,315.96

Finding the Fourth Proportional to 38,082.96, 52,549.56 and 21,315.96

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Solution

The fourth proportional to 38,082.96, 52,549.56 and 21,315.96 is: 29,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,082.96 : 52,549.56 = 21,315.96 : x
  2. Step 2: Convert to fraction form
    38,082.96/52,549.56 = 21,315.96/x
  3. Step 3: Cross multiply
    38,082.96x = 52,549.56 × 21,315.96
  4. Step 4: Simplify right side
    38,082.96x = 1,120,144,318.98
  5. Step 5: Solve for x
    x = 1,120,144,318.98/38,082.96
  6. Step 6: Final answer
    x = 29,413.27

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Half scale
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Double scale
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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.