Home / 55,655.06-83,481.41-13,535.36

Finding the Fourth Proportional to 55,655.06, 83,481.41 and 13,535.36

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Solution

The fourth proportional to 55,655.06, 83,481.41 and 13,535.36 is: 20,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,655.06 : 83,481.41 = 13,535.36 : x
  2. Step 2: Convert to fraction form
    55,655.06/83,481.41 = 13,535.36/x
  3. Step 3: Cross multiply
    55,655.06x = 83,481.41 × 13,535.36
  4. Step 4: Simplify right side
    55,655.06x = 1,129,951,078.68
  5. Step 5: Solve for x
    x = 1,129,951,078.68/55,655.06
  6. Step 6: Final answer
    x = 20,302.76

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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.