Home / 54,380.92-75,032.82-31,706.28

Finding the Fourth Proportional to 54,380.92, 75,032.82 and 31,706.28

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Solution

The fourth proportional to 54,380.92, 75,032.82 and 31,706.28 is: 43,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,380.92 : 75,032.82 = 31,706.28 : x
  2. Step 2: Convert to fraction form
    54,380.92/75,032.82 = 31,706.28/x
  3. Step 3: Cross multiply
    54,380.92x = 75,032.82 × 31,706.28
  4. Step 4: Simplify right side
    54,380.92x = 2,379,011,600.11
  5. Step 5: Solve for x
    x = 2,379,011,600.11/54,380.92
  6. Step 6: Final answer
    x = 43,747.17

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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.