Home / 43,135.92-64,675.92-18,163.02

Finding the Fourth Proportional to 43,135.92, 64,675.92 and 18,163.02

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Solution

The fourth proportional to 43,135.92, 64,675.92 and 18,163.02 is: 27,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,135.92 : 64,675.92 = 18,163.02 : x
  2. Step 2: Convert to fraction form
    43,135.92/64,675.92 = 18,163.02/x
  3. Step 3: Cross multiply
    43,135.92x = 64,675.92 × 18,163.02
  4. Step 4: Simplify right side
    43,135.92x = 1,174,710,028.48
  5. Step 5: Solve for x
    x = 1,174,710,028.48/43,135.92
  6. Step 6: Final answer
    x = 27,232.76

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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.