Home / 31,622.66-43,634.01-18,881

Finding the Fourth Proportional to 31,622.66, 43,634.01 and 18,881

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Solution

The fourth proportional to 31,622.66, 43,634.01 and 18,881 is: 26,052.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,622.66 : 43,634.01 = 18,881 : x
  2. Step 2: Convert to fraction form
    31,622.66/43,634.01 = 18,881/x
  3. Step 3: Cross multiply
    31,622.66x = 43,634.01 × 18,881
  4. Step 4: Simplify right side
    31,622.66x = 823,853,742.81
  5. Step 5: Solve for x
    x = 823,853,742.81/31,622.66
  6. Step 6: Final answer
    x = 26,052.64

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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.