Home / 42,450.81-63,668.04-40,343.46

Finding the Fourth Proportional to 42,450.81, 63,668.04 and 40,343.46

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Solution

The fourth proportional to 42,450.81, 63,668.04 and 40,343.46 is: 60,507.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,450.81 : 63,668.04 = 40,343.46 : x
  2. Step 2: Convert to fraction form
    42,450.81/63,668.04 = 40,343.46/x
  3. Step 3: Cross multiply
    42,450.81x = 63,668.04 × 40,343.46
  4. Step 4: Simplify right side
    42,450.81x = 2,568,589,025.02
  5. Step 5: Solve for x
    x = 2,568,589,025.02/42,450.81
  6. Step 6: Final answer
    x = 60,507.42

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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.