Home / 38,372.61-57,567.15-21,740.61

Finding the Fourth Proportional to 38,372.61, 57,567.15 and 21,740.61

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Solution

The fourth proportional to 38,372.61, 57,567.15 and 21,740.61 is: 32,615.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,372.61 : 57,567.15 = 21,740.61 : x
  2. Step 2: Convert to fraction form
    38,372.61/57,567.15 = 21,740.61/x
  3. Step 3: Cross multiply
    38,372.61x = 57,567.15 × 21,740.61
  4. Step 4: Simplify right side
    38,372.61x = 1,251,544,956.96
  5. Step 5: Solve for x
    x = 1,251,544,956.96/38,372.61
  6. Step 6: Final answer
    x = 32,615.58

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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.