Home / 31,092.18-42,906.96-16,945.26

Finding the Fourth Proportional to 31,092.18, 42,906.96 and 16,945.26

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Solution

The fourth proportional to 31,092.18, 42,906.96 and 16,945.26 is: 23,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,092.18 : 42,906.96 = 16,945.26 : x
  2. Step 2: Convert to fraction form
    31,092.18/42,906.96 = 16,945.26/x
  3. Step 3: Cross multiply
    31,092.18x = 42,906.96 × 16,945.26
  4. Step 4: Simplify right side
    31,092.18x = 727,069,593.01
  5. Step 5: Solve for x
    x = 727,069,593.01/31,092.18
  6. Step 6: Final answer
    x = 23,384.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.