Home / 31,331.52-43,231.22-17,907.18

Finding the Fourth Proportional to 31,331.52, 43,231.22 and 17,907.18

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Solution

The fourth proportional to 31,331.52, 43,231.22 and 17,907.18 is: 24,708.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,331.52 : 43,231.22 = 17,907.18 : x
  2. Step 2: Convert to fraction form
    31,331.52/43,231.22 = 17,907.18/x
  3. Step 3: Cross multiply
    31,331.52x = 43,231.22 × 17,907.18
  4. Step 4: Simplify right side
    31,331.52x = 774,149,238.16
  5. Step 5: Solve for x
    x = 774,149,238.16/31,331.52
  6. Step 6: Final answer
    x = 24,708.32

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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.