Home / 31,512.13-43,487.64-17,365.88

Finding the Fourth Proportional to 31,512.13, 43,487.64 and 17,365.88

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Solution

The fourth proportional to 31,512.13, 43,487.64 and 17,365.88 is: 23,965.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.13 : 43,487.64 = 17,365.88 : x
  2. Step 2: Convert to fraction form
    31,512.13/43,487.64 = 17,365.88/x
  3. Step 3: Cross multiply
    31,512.13x = 43,487.64 × 17,365.88
  4. Step 4: Simplify right side
    31,512.13x = 755,201,137.72
  5. Step 5: Solve for x
    x = 755,201,137.72/31,512.13
  6. Step 6: Final answer
    x = 23,965.41

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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.