Home / 38,183.93-52,693.70-21,190.74

Finding the Fourth Proportional to 38,183.93, 52,693.70 and 21,190.74

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Solution

The fourth proportional to 38,183.93, 52,693.70 and 21,190.74 is: 29,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,183.93 : 52,693.70 = 21,190.74 : x
  2. Step 2: Convert to fraction form
    38,183.93/52,693.70 = 21,190.74/x
  3. Step 3: Cross multiply
    38,183.93x = 52,693.70 × 21,190.74
  4. Step 4: Simplify right side
    38,183.93x = 1,116,618,390.38
  5. Step 5: Solve for x
    x = 1,116,618,390.38/38,183.93
  6. Step 6: Final answer
    x = 29,243.15

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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.