Home / 42,906.60-64,351.96-11,741.56

Finding the Fourth Proportional to 42,906.60, 64,351.96 and 11,741.56

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Solution

The fourth proportional to 42,906.60, 64,351.96 and 11,741.56 is: 17,610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,906.60 : 64,351.96 = 11,741.56 : x
  2. Step 2: Convert to fraction form
    42,906.60/64,351.96 = 11,741.56/x
  3. Step 3: Cross multiply
    42,906.60x = 64,351.96 × 11,741.56
  4. Step 4: Simplify right side
    42,906.60x = 755,592,399.46
  5. Step 5: Solve for x
    x = 755,592,399.46/42,906.60
  6. Step 6: Final answer
    x = 17,610.17

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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.