Home / 53,239.43-73,475.57-39,787.36

Finding the Fourth Proportional to 53,239.43, 73,475.57 and 39,787.36

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Solution

The fourth proportional to 53,239.43, 73,475.57 and 39,787.36 is: 54,910.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,239.43 : 73,475.57 = 39,787.36 : x
  2. Step 2: Convert to fraction form
    53,239.43/73,475.57 = 39,787.36/x
  3. Step 3: Cross multiply
    53,239.43x = 73,475.57 × 39,787.36
  4. Step 4: Simplify right side
    53,239.43x = 2,923,398,870.57
  5. Step 5: Solve for x
    x = 2,923,398,870.57/53,239.43
  6. Step 6: Final answer
    x = 54,910.41

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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.