Home / 31,618.61-43,634.25-17,278.37

Finding the Fourth Proportional to 31,618.61, 43,634.25 and 17,278.37

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Solution

The fourth proportional to 31,618.61, 43,634.25 and 17,278.37 is: 23,844.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,618.61 : 43,634.25 = 17,278.37 : x
  2. Step 2: Convert to fraction form
    31,618.61/43,634.25 = 17,278.37/x
  3. Step 3: Cross multiply
    31,618.61x = 43,634.25 × 17,278.37
  4. Step 4: Simplify right side
    31,618.61x = 753,928,716.17
  5. Step 5: Solve for x
    x = 753,928,716.17/31,618.61
  6. Step 6: Final answer
    x = 23,844.46

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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.