Home / 43,601.76-65,357.28-20,208.96

Finding the Fourth Proportional to 43,601.76, 65,357.28 and 20,208.96

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Solution

The fourth proportional to 43,601.76, 65,357.28 and 20,208.96 is: 30,292.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,601.76 : 65,357.28 = 20,208.96 : x
  2. Step 2: Convert to fraction form
    43,601.76/65,357.28 = 20,208.96/x
  3. Step 3: Cross multiply
    43,601.76x = 65,357.28 × 20,208.96
  4. Step 4: Simplify right side
    43,601.76x = 1,320,802,657.23
  5. Step 5: Solve for x
    x = 1,320,802,657.23/43,601.76
  6. Step 6: Final answer
    x = 30,292.42

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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.