Home / 31,393.21-43,321.80-17,246.08

Finding the Fourth Proportional to 31,393.21, 43,321.80 and 17,246.08

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Solution

The fourth proportional to 31,393.21, 43,321.80 and 17,246.08 is: 23,799.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393.21 : 43,321.80 = 17,246.08 : x
  2. Step 2: Convert to fraction form
    31,393.21/43,321.80 = 17,246.08/x
  3. Step 3: Cross multiply
    31,393.21x = 43,321.80 × 17,246.08
  4. Step 4: Simplify right side
    31,393.21x = 747,131,228.54
  5. Step 5: Solve for x
    x = 747,131,228.54/31,393.21
  6. Step 6: Final answer
    x = 23,799.13

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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.