Home / 31,261.62-43,141.04-17,114.46

Finding the Fourth Proportional to 31,261.62, 43,141.04 and 17,114.46

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Solution

The fourth proportional to 31,261.62, 43,141.04 and 17,114.46 is: 23,617.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,261.62 : 43,141.04 = 17,114.46 : x
  2. Step 2: Convert to fraction form
    31,261.62/43,141.04 = 17,114.46/x
  3. Step 3: Cross multiply
    31,261.62x = 43,141.04 × 17,114.46
  4. Step 4: Simplify right side
    31,261.62x = 738,335,603.44
  5. Step 5: Solve for x
    x = 738,335,603.44/31,261.62
  6. Step 6: Final answer
    x = 23,617.96

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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.