Home / 38,253.31-52,787.83-21,257.47

Finding the Fourth Proportional to 38,253.31, 52,787.83 and 21,257.47

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Solution

The fourth proportional to 38,253.31, 52,787.83 and 21,257.47 is: 29,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,253.31 : 52,787.83 = 21,257.47 : x
  2. Step 2: Convert to fraction form
    38,253.31/52,787.83 = 21,257.47/x
  3. Step 3: Cross multiply
    38,253.31x = 52,787.83 × 21,257.47
  4. Step 4: Simplify right side
    38,253.31x = 1,122,135,712.59
  5. Step 5: Solve for x
    x = 1,122,135,712.59/38,253.31
  6. Step 6: Final answer
    x = 29,334.34

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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.