Home / 38,370.11-57,563.40-21,738.11

Finding the Fourth Proportional to 38,370.11, 57,563.40 and 21,738.11

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Solution

The fourth proportional to 38,370.11, 57,563.40 and 21,738.11 is: 32,611.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,370.11 : 57,563.40 = 21,738.11 : x
  2. Step 2: Convert to fraction form
    38,370.11/57,563.40 = 21,738.11/x
  3. Step 3: Cross multiply
    38,370.11x = 57,563.40 × 21,738.11
  4. Step 4: Simplify right side
    38,370.11x = 1,251,319,521.17
  5. Step 5: Solve for x
    x = 1,251,319,521.17/38,370.11
  6. Step 6: Final answer
    x = 32,611.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.