Home / 38,091.78-52,566.57-21,096.90

Finding the Fourth Proportional to 38,091.78, 52,566.57 and 21,096.90

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Solution

The fourth proportional to 38,091.78, 52,566.57 and 21,096.90 is: 29,113.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,091.78 : 52,566.57 = 21,096.90 : x
  2. Step 2: Convert to fraction form
    38,091.78/52,566.57 = 21,096.90/x
  3. Step 3: Cross multiply
    38,091.78x = 52,566.57 × 21,096.90
  4. Step 4: Simplify right side
    38,091.78x = 1,108,991,670.63
  5. Step 5: Solve for x
    x = 1,108,991,670.63/38,091.78
  6. Step 6: Final answer
    x = 29,113.67

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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.