Home / 31,737.92-43,796.62-18,308.36

Finding the Fourth Proportional to 31,737.92, 43,796.62 and 18,308.36

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Solution

The fourth proportional to 31,737.92, 43,796.62 and 18,308.36 is: 25,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,737.92 : 43,796.62 = 18,308.36 : x
  2. Step 2: Convert to fraction form
    31,737.92/43,796.62 = 18,308.36/x
  3. Step 3: Cross multiply
    31,737.92x = 43,796.62 × 18,308.36
  4. Step 4: Simplify right side
    31,737.92x = 801,844,285.74
  5. Step 5: Solve for x
    x = 801,844,285.74/31,737.92
  6. Step 6: Final answer
    x = 25,264.55

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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.