Home / 43,305.36-64,959.84-13,722.54

Finding the Fourth Proportional to 43,305.36, 64,959.84 and 13,722.54

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Solution

The fourth proportional to 43,305.36, 64,959.84 and 13,722.54 is: 20,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,305.36 : 64,959.84 = 13,722.54 : x
  2. Step 2: Convert to fraction form
    43,305.36/64,959.84 = 13,722.54/x
  3. Step 3: Cross multiply
    43,305.36x = 64,959.84 × 13,722.54
  4. Step 4: Simplify right side
    43,305.36x = 891,414,002.79
  5. Step 5: Solve for x
    x = 891,414,002.79/43,305.36
  6. Step 6: Final answer
    x = 20,584.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.