Home / 31,856.34-43,961.97-19,926.45

Finding the Fourth Proportional to 31,856.34, 43,961.97 and 19,926.45

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Solution

The fourth proportional to 31,856.34, 43,961.97 and 19,926.45 is: 27,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,856.34 : 43,961.97 = 19,926.45 : x
  2. Step 2: Convert to fraction form
    31,856.34/43,961.97 = 19,926.45/x
  3. Step 3: Cross multiply
    31,856.34x = 43,961.97 × 19,926.45
  4. Step 4: Simplify right side
    31,856.34x = 876,005,997.11
  5. Step 5: Solve for x
    x = 876,005,997.11/31,856.34
  6. Step 6: Final answer
    x = 27,498.64

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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.