Home / 38,081.58-52,554.52-21,087.70

Finding the Fourth Proportional to 38,081.58, 52,554.52 and 21,087.70

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Solution

The fourth proportional to 38,081.58, 52,554.52 and 21,087.70 is: 29,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081.58 : 52,554.52 = 21,087.70 : x
  2. Step 2: Convert to fraction form
    38,081.58/52,554.52 = 21,087.70/x
  3. Step 3: Cross multiply
    38,081.58x = 52,554.52 × 21,087.70
  4. Step 4: Simplify right side
    38,081.58x = 1,108,253,951.40
  5. Step 5: Solve for x
    x = 1,108,253,951.40/38,081.58
  6. Step 6: Final answer
    x = 29,102.10

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Half scale
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Double scale
Find fourth proportional to 38,082.58, 52,555.90 and 21,088.70
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.