Home / 31,029.44-42,819.16-16,881.96

Finding the Fourth Proportional to 31,029.44, 42,819.16 and 16,881.96

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Solution

The fourth proportional to 31,029.44, 42,819.16 and 16,881.96 is: 23,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,029.44 : 42,819.16 = 16,881.96 : x
  2. Step 2: Convert to fraction form
    31,029.44/42,819.16 = 16,881.96/x
  3. Step 3: Cross multiply
    31,029.44x = 42,819.16 × 16,881.96
  4. Step 4: Simplify right side
    31,029.44x = 722,871,346.35
  5. Step 5: Solve for x
    x = 722,871,346.35/31,029.44
  6. Step 6: Final answer
    x = 23,296.31

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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.