Home / 31,468.88-43,427.07-17,321.63

Finding the Fourth Proportional to 31,468.88, 43,427.07 and 17,321.63

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Solution

The fourth proportional to 31,468.88, 43,427.07 and 17,321.63 is: 23,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,468.88 : 43,427.07 = 17,321.63 : x
  2. Step 2: Convert to fraction form
    31,468.88/43,427.07 = 17,321.63/x
  3. Step 3: Cross multiply
    31,468.88x = 43,427.07 × 17,321.63
  4. Step 4: Simplify right side
    31,468.88x = 752,227,421.39
  5. Step 5: Solve for x
    x = 752,227,421.39/31,468.88
  6. Step 6: Final answer
    x = 23,903.85

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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.