Home / 38,766.87-53,494.16-21,772.96

Finding the Fourth Proportional to 38,766.87, 53,494.16 and 21,772.96

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Solution

The fourth proportional to 38,766.87, 53,494.16 and 21,772.96 is: 30,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,766.87 : 53,494.16 = 21,772.96 : x
  2. Step 2: Convert to fraction form
    38,766.87/53,494.16 = 21,772.96/x
  3. Step 3: Cross multiply
    38,766.87x = 53,494.16 × 21,772.96
  4. Step 4: Simplify right side
    38,766.87x = 1,164,725,963.31
  5. Step 5: Solve for x
    x = 1,164,725,963.31/38,766.87
  6. Step 6: Final answer
    x = 30,044.36

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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.