Home / 34,170.82-47,185.40-21,446.06

Finding the Fourth Proportional to 34,170.82, 47,185.40 and 21,446.06

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Solution

The fourth proportional to 34,170.82, 47,185.40 and 21,446.06 is: 29,614.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,170.82 : 47,185.40 = 21,446.06 : x
  2. Step 2: Convert to fraction form
    34,170.82/47,185.40 = 21,446.06/x
  3. Step 3: Cross multiply
    34,170.82x = 47,185.40 × 21,446.06
  4. Step 4: Simplify right side
    34,170.82x = 1,011,940,576.37
  5. Step 5: Solve for x
    x = 1,011,940,576.37/34,170.82
  6. Step 6: Final answer
    x = 29,614.18

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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.