Home / 38,183.27-52,693.23-21,188.66

Finding the Fourth Proportional to 38,183.27, 52,693.23 and 21,188.66

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Solution

The fourth proportional to 38,183.27, 52,693.23 and 21,188.66 is: 29,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,183.27 : 52,693.23 = 21,188.66 : x
  2. Step 2: Convert to fraction form
    38,183.27/52,693.23 = 21,188.66/x
  3. Step 3: Cross multiply
    38,183.27x = 52,693.23 × 21,188.66
  4. Step 4: Simplify right side
    38,183.27x = 1,116,498,750.76
  5. Step 5: Solve for x
    x = 1,116,498,750.76/38,183.27
  6. Step 6: Final answer
    x = 29,240.53

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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.