Home / 38,183.58-52,693.62-21,187.89

Finding the Fourth Proportional to 38,183.58, 52,693.62 and 21,187.89

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Solution

The fourth proportional to 38,183.58, 52,693.62 and 21,187.89 is: 29,239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,183.58 : 52,693.62 = 21,187.89 : x
  2. Step 2: Convert to fraction form
    38,183.58/52,693.62 = 21,187.89/x
  3. Step 3: Cross multiply
    38,183.58x = 52,693.62 × 21,187.89
  4. Step 4: Simplify right side
    38,183.58x = 1,116,466,624.26
  5. Step 5: Solve for x
    x = 1,116,466,624.26/38,183.58
  6. Step 6: Final answer
    x = 29,239.44

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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.