Home / 31,814.40-43,883.70-19,544.43

Finding the Fourth Proportional to 31,814.40, 43,883.70 and 19,544.43

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Solution

The fourth proportional to 31,814.40, 43,883.70 and 19,544.43 is: 26,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,814.40 : 43,883.70 = 19,544.43 : x
  2. Step 2: Convert to fraction form
    31,814.40/43,883.70 = 19,544.43/x
  3. Step 3: Cross multiply
    31,814.40x = 43,883.70 × 19,544.43
  4. Step 4: Simplify right side
    31,814.40x = 857,681,902.79
  5. Step 5: Solve for x
    x = 857,681,902.79/31,814.40
  6. Step 6: Final answer
    x = 26,958.92

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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.