Home / 31,180.72-43,029.16-17,033.56

Finding the Fourth Proportional to 31,180.72, 43,029.16 and 17,033.56

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Solution

The fourth proportional to 31,180.72, 43,029.16 and 17,033.56 is: 23,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,180.72 : 43,029.16 = 17,033.56 : x
  2. Step 2: Convert to fraction form
    31,180.72/43,029.16 = 17,033.56/x
  3. Step 3: Cross multiply
    31,180.72x = 43,029.16 × 17,033.56
  4. Step 4: Simplify right side
    31,180.72x = 732,939,778.61
  5. Step 5: Solve for x
    x = 732,939,778.61/31,180.72
  6. Step 6: Final answer
    x = 23,506.19

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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.