Home / 41,187.64-61,783.64-13,105.76

Finding the Fourth Proportional to 41,187.64, 61,783.64 and 13,105.76

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Solution

The fourth proportional to 41,187.64, 61,783.64 and 13,105.76 is: 19,659.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,187.64 : 61,783.64 = 13,105.76 : x
  2. Step 2: Convert to fraction form
    41,187.64/61,783.64 = 13,105.76/x
  3. Step 3: Cross multiply
    41,187.64x = 61,783.64 × 13,105.76
  4. Step 4: Simplify right side
    41,187.64x = 809,721,557.77
  5. Step 5: Solve for x
    x = 809,721,557.77/41,187.64
  6. Step 6: Final answer
    x = 19,659.33

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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.