Home / 31,512.68-43,487.29-17,365.53

Finding the Fourth Proportional to 31,512.68, 43,487.29 and 17,365.53

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Solution

The fourth proportional to 31,512.68, 43,487.29 and 17,365.53 is: 23,964.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.68 : 43,487.29 = 17,365.53 : x
  2. Step 2: Convert to fraction form
    31,512.68/43,487.29 = 17,365.53/x
  3. Step 3: Cross multiply
    31,512.68x = 43,487.29 × 17,365.53
  4. Step 4: Simplify right side
    31,512.68x = 755,179,839.11
  5. Step 5: Solve for x
    x = 755,179,839.11/31,512.68
  6. Step 6: Final answer
    x = 23,964.32

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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.