Home / 31,523.78-43,502.81-17,183.63

Finding the Fourth Proportional to 31,523.78, 43,502.81 and 17,183.63

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Solution

The fourth proportional to 31,523.78, 43,502.81 and 17,183.63 is: 23,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,523.78 : 43,502.81 = 17,183.63 : x
  2. Step 2: Convert to fraction form
    31,523.78/43,502.81 = 17,183.63/x
  3. Step 3: Cross multiply
    31,523.78x = 43,502.81 × 17,183.63
  4. Step 4: Simplify right side
    31,523.78x = 747,536,191.00
  5. Step 5: Solve for x
    x = 747,536,191.00/31,523.78
  6. Step 6: Final answer
    x = 23,713.41

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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.