Home / 38,636.13-57,954.20-21,096.39

Finding the Fourth Proportional to 38,636.13, 57,954.20 and 21,096.39

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Solution

The fourth proportional to 38,636.13, 57,954.20 and 21,096.39 is: 31,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,636.13 : 57,954.20 = 21,096.39 : x
  2. Step 2: Convert to fraction form
    38,636.13/57,954.20 = 21,096.39/x
  3. Step 3: Cross multiply
    38,636.13x = 57,954.20 × 21,096.39
  4. Step 4: Simplify right side
    38,636.13x = 1,222,624,299.86
  5. Step 5: Solve for x
    x = 1,222,624,299.86/38,636.13
  6. Step 6: Final answer
    x = 31,644.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.