Home / 38,342.25-52,912.31-21,575.61

Finding the Fourth Proportional to 38,342.25, 52,912.31 and 21,575.61

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Solution

The fourth proportional to 38,342.25, 52,912.31 and 21,575.61 is: 29,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,342.25 : 52,912.31 = 21,575.61 : x
  2. Step 2: Convert to fraction form
    38,342.25/52,912.31 = 21,575.61/x
  3. Step 3: Cross multiply
    38,342.25x = 52,912.31 × 21,575.61
  4. Step 4: Simplify right side
    38,342.25x = 1,141,615,256.88
  5. Step 5: Solve for x
    x = 1,141,615,256.88/38,342.25
  6. Step 6: Final answer
    x = 29,774.34

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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.