Home / 40,376.46-60,509.16-20,613.36

Finding the Fourth Proportional to 40,376.46, 60,509.16 and 20,613.36

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Solution

The fourth proportional to 40,376.46, 60,509.16 and 20,613.36 is: 30,891.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,376.46 : 60,509.16 = 20,613.36 : x
  2. Step 2: Convert to fraction form
    40,376.46/60,509.16 = 20,613.36/x
  3. Step 3: Cross multiply
    40,376.46x = 60,509.16 × 20,613.36
  4. Step 4: Simplify right side
    40,376.46x = 1,247,297,098.38
  5. Step 5: Solve for x
    x = 1,247,297,098.38/40,376.46
  6. Step 6: Final answer
    x = 30,891.69

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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.