Home / 43,583.76-65,330.28-20,190.96

Finding the Fourth Proportional to 43,583.76, 65,330.28 and 20,190.96

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Solution

The fourth proportional to 43,583.76, 65,330.28 and 20,190.96 is: 30,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,583.76 : 65,330.28 = 20,190.96 : x
  2. Step 2: Convert to fraction form
    43,583.76/65,330.28 = 20,190.96/x
  3. Step 3: Cross multiply
    43,583.76x = 65,330.28 × 20,190.96
  4. Step 4: Simplify right side
    43,583.76x = 1,319,081,070.27
  5. Step 5: Solve for x
    x = 1,319,081,070.27/43,583.76
  6. Step 6: Final answer
    x = 30,265.43

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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.