Home / 43,340.81-64,998.23-18,380.43

Finding the Fourth Proportional to 43,340.81, 64,998.23 and 18,380.43

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Solution

The fourth proportional to 43,340.81, 64,998.23 and 18,380.43 is: 27,565.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,340.81 : 64,998.23 = 18,380.43 : x
  2. Step 2: Convert to fraction form
    43,340.81/64,998.23 = 18,380.43/x
  3. Step 3: Cross multiply
    43,340.81x = 64,998.23 × 18,380.43
  4. Step 4: Simplify right side
    43,340.81x = 1,194,695,324.74
  5. Step 5: Solve for x
    x = 1,194,695,324.74/43,340.81
  6. Step 6: Final answer
    x = 27,565.14

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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.