Home / 40,375.87-55,721.72-23,384.70

Finding the Fourth Proportional to 40,375.87, 55,721.72 and 23,384.70

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Solution

The fourth proportional to 40,375.87, 55,721.72 and 23,384.70 is: 32,272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,375.87 : 55,721.72 = 23,384.70 : x
  2. Step 2: Convert to fraction form
    40,375.87/55,721.72 = 23,384.70/x
  3. Step 3: Cross multiply
    40,375.87x = 55,721.72 × 23,384.70
  4. Step 4: Simplify right side
    40,375.87x = 1,303,035,764.15
  5. Step 5: Solve for x
    x = 1,303,035,764.15/40,375.87
  6. Step 6: Final answer
    x = 32,272.64

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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.