Home / 29,546.82-40,781.61-16,978.86

Finding the Fourth Proportional to 29,546.82, 40,781.61 and 16,978.86

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Solution

The fourth proportional to 29,546.82, 40,781.61 and 16,978.86 is: 23,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,546.82 : 40,781.61 = 16,978.86 : x
  2. Step 2: Convert to fraction form
    29,546.82/40,781.61 = 16,978.86/x
  3. Step 3: Cross multiply
    29,546.82x = 40,781.61 × 16,978.86
  4. Step 4: Simplify right side
    29,546.82x = 692,425,246.76
  5. Step 5: Solve for x
    x = 692,425,246.76/29,546.82
  6. Step 6: Final answer
    x = 23,434.85

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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.