Home / 40,066.32-60,098.80-11,986.44

Finding the Fourth Proportional to 40,066.32, 60,098.80 and 11,986.44

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Solution

The fourth proportional to 40,066.32, 60,098.80 and 11,986.44 is: 17,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,066.32 : 60,098.80 = 11,986.44 : x
  2. Step 2: Convert to fraction form
    40,066.32/60,098.80 = 11,986.44/x
  3. Step 3: Cross multiply
    40,066.32x = 60,098.80 × 11,986.44
  4. Step 4: Simplify right side
    40,066.32x = 720,370,660.27
  5. Step 5: Solve for x
    x = 720,370,660.27/40,066.32
  6. Step 6: Final answer
    x = 17,979.46

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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.