Home / 40,969.44-61,451.40-11,386.62

Finding the Fourth Proportional to 40,969.44, 61,451.40 and 11,386.62

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Solution

The fourth proportional to 40,969.44, 61,451.40 and 11,386.62 is: 17,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,969.44 : 61,451.40 = 11,386.62 : x
  2. Step 2: Convert to fraction form
    40,969.44/61,451.40 = 11,386.62/x
  3. Step 3: Cross multiply
    40,969.44x = 61,451.40 × 11,386.62
  4. Step 4: Simplify right side
    40,969.44x = 699,723,740.27
  5. Step 5: Solve for x
    x = 699,723,740.27/40,969.44
  6. Step 6: Final answer
    x = 17,079.16

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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.