Home / 31,592.32-43,614.92-21,535.54

Finding the Fourth Proportional to 31,592.32, 43,614.92 and 21,535.54

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Solution

The fourth proportional to 31,592.32, 43,614.92 and 21,535.54 is: 29,730.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,592.32 : 43,614.92 = 21,535.54 : x
  2. Step 2: Convert to fraction form
    31,592.32/43,614.92 = 21,535.54/x
  3. Step 3: Cross multiply
    31,592.32x = 43,614.92 × 21,535.54
  4. Step 4: Simplify right side
    31,592.32x = 939,270,854.26
  5. Step 5: Solve for x
    x = 939,270,854.26/31,592.32
  6. Step 6: Final answer
    x = 29,730.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.