Home / 31,183.23-43,020.64-19,225.81

Finding the Fourth Proportional to 31,183.23, 43,020.64 and 19,225.81

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Solution

The fourth proportional to 31,183.23, 43,020.64 and 19,225.81 is: 26,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,183.23 : 43,020.64 = 19,225.81 : x
  2. Step 2: Convert to fraction form
    31,183.23/43,020.64 = 19,225.81/x
  3. Step 3: Cross multiply
    31,183.23x = 43,020.64 × 19,225.81
  4. Step 4: Simplify right side
    31,183.23x = 827,106,540.61
  5. Step 5: Solve for x
    x = 827,106,540.61/31,183.23
  6. Step 6: Final answer
    x = 26,524.08

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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.