Home / 31,276.13-43,161.05-17,129.00

Finding the Fourth Proportional to 31,276.13, 43,161.05 and 17,129.00

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Solution

The fourth proportional to 31,276.13, 43,161.05 and 17,129.00 is: 23,638.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,276.13 : 43,161.05 = 17,129.00 : x
  2. Step 2: Convert to fraction form
    31,276.13/43,161.05 = 17,129.00/x
  3. Step 3: Cross multiply
    31,276.13x = 43,161.05 × 17,129.00
  4. Step 4: Simplify right side
    31,276.13x = 739,305,776.18
  5. Step 5: Solve for x
    x = 739,305,776.18/31,276.13
  6. Step 6: Final answer
    x = 23,638.02

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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.