Home / 38,081.18-52,550.30-21,084.22

Finding the Fourth Proportional to 38,081.18, 52,550.30 and 21,084.22

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Solution

The fourth proportional to 38,081.18, 52,550.30 and 21,084.22 is: 29,095.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081.18 : 52,550.30 = 21,084.22 : x
  2. Step 2: Convert to fraction form
    38,081.18/52,550.30 = 21,084.22/x
  3. Step 3: Cross multiply
    38,081.18x = 52,550.30 × 21,084.22
  4. Step 4: Simplify right side
    38,081.18x = 1,107,982,086.27
  5. Step 5: Solve for x
    x = 1,107,982,086.27/38,081.18
  6. Step 6: Final answer
    x = 29,095.27

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Half scale
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Double scale
Find fourth proportional to 38,082.18, 52,551.68 and 21,085.22
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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.