Home / 29,172.18-43,756.16-11,399.50

Finding the Fourth Proportional to 29,172.18, 43,756.16 and 11,399.50

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Solution

The fourth proportional to 29,172.18, 43,756.16 and 11,399.50 is: 17,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,172.18 : 43,756.16 = 11,399.50 : x
  2. Step 2: Convert to fraction form
    29,172.18/43,756.16 = 11,399.50/x
  3. Step 3: Cross multiply
    29,172.18x = 43,756.16 × 11,399.50
  4. Step 4: Simplify right side
    29,172.18x = 498,798,288.92
  5. Step 5: Solve for x
    x = 498,798,288.92/29,172.18
  6. Step 6: Final answer
    x = 17,098.42

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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.