Home / 31,361.18-43,276.48-17,213.92

Finding the Fourth Proportional to 31,361.18, 43,276.48 and 17,213.92

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Solution

The fourth proportional to 31,361.18, 43,276.48 and 17,213.92 is: 23,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,361.18 : 43,276.48 = 17,213.92 : x
  2. Step 2: Convert to fraction form
    31,361.18/43,276.48 = 17,213.92/x
  3. Step 3: Cross multiply
    31,361.18x = 43,276.48 × 17,213.92
  4. Step 4: Simplify right side
    31,361.18x = 744,957,713.38
  5. Step 5: Solve for x
    x = 744,957,713.38/31,361.18
  6. Step 6: Final answer
    x = 23,754.14

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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.