Home / 37,422.78-56,104.35-21,609.86

Finding the Fourth Proportional to 37,422.78, 56,104.35 and 21,609.86

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Solution

The fourth proportional to 37,422.78, 56,104.35 and 21,609.86 is: 32,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,422.78 : 56,104.35 = 21,609.86 : x
  2. Step 2: Convert to fraction form
    37,422.78/56,104.35 = 21,609.86/x
  3. Step 3: Cross multiply
    37,422.78x = 56,104.35 × 21,609.86
  4. Step 4: Simplify right side
    37,422.78x = 1,212,406,787.33
  5. Step 5: Solve for x
    x = 1,212,406,787.33/37,422.78
  6. Step 6: Final answer
    x = 32,397.56

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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.