Home / 29,395.46-40,550.18-18,621.32

Finding the Fourth Proportional to 29,395.46, 40,550.18 and 18,621.32

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Solution

The fourth proportional to 29,395.46, 40,550.18 and 18,621.32 is: 25,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,395.46 : 40,550.18 = 18,621.32 : x
  2. Step 2: Convert to fraction form
    29,395.46/40,550.18 = 18,621.32/x
  3. Step 3: Cross multiply
    29,395.46x = 40,550.18 × 18,621.32
  4. Step 4: Simplify right side
    29,395.46x = 755,098,048.87
  5. Step 5: Solve for x
    x = 755,098,048.87/29,395.46
  6. Step 6: Final answer
    x = 25,687.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.