Home / 40,134.09-60,205.10-13,835.37

Finding the Fourth Proportional to 40,134.09, 60,205.10 and 13,835.37

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Solution

The fourth proportional to 40,134.09, 60,205.10 and 13,835.37 is: 20,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,134.09 : 60,205.10 = 13,835.37 : x
  2. Step 2: Convert to fraction form
    40,134.09/60,205.10 = 13,835.37/x
  3. Step 3: Cross multiply
    40,134.09x = 60,205.10 × 13,835.37
  4. Step 4: Simplify right side
    40,134.09x = 832,959,765.21
  5. Step 5: Solve for x
    x = 832,959,765.21/40,134.09
  6. Step 6: Final answer
    x = 20,754.42

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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.