Home / 31,588.88-43,540.67-22,393.49

Finding the Fourth Proportional to 31,588.88, 43,540.67 and 22,393.49

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Solution

The fourth proportional to 31,588.88, 43,540.67 and 22,393.49 is: 30,866.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,588.88 : 43,540.67 = 22,393.49 : x
  2. Step 2: Convert to fraction form
    31,588.88/43,540.67 = 22,393.49/x
  3. Step 3: Cross multiply
    31,588.88x = 43,540.67 × 22,393.49
  4. Step 4: Simplify right side
    31,588.88x = 975,027,396.52
  5. Step 5: Solve for x
    x = 975,027,396.52/31,588.88
  6. Step 6: Final answer
    x = 30,866.16

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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.