Home / 43,929.60-65,740.80-40,243.20

Finding the Fourth Proportional to 43,929.60, 65,740.80 and 40,243.20

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Solution

The fourth proportional to 43,929.60, 65,740.80 and 40,243.20 is: 60,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,929.60 : 65,740.80 = 40,243.20 : x
  2. Step 2: Convert to fraction form
    43,929.60/65,740.80 = 40,243.20/x
  3. Step 3: Cross multiply
    43,929.60x = 65,740.80 × 40,243.20
  4. Step 4: Simplify right side
    43,929.60x = 2,645,620,162.56
  5. Step 5: Solve for x
    x = 2,645,620,162.56/43,929.60
  6. Step 6: Final answer
    x = 60,224.09

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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.