Home / 43,159-64,738.52-11,994.52

Finding the Fourth Proportional to 43,159, 64,738.52 and 11,994.52

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Solution

The fourth proportional to 43,159, 64,738.52 and 11,994.52 is: 17,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,159 : 64,738.52 = 11,994.52 : x
  2. Step 2: Convert to fraction form
    43,159/64,738.52 = 11,994.52/x
  3. Step 3: Cross multiply
    43,159x = 64,738.52 × 11,994.52
  4. Step 4: Simplify right side
    43,159x = 776,507,472.91
  5. Step 5: Solve for x
    x = 776,507,472.91/43,159
  6. Step 6: Final answer
    x = 17,991.79

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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.