Home / 40,175.87-55,437.57-22,270.70

Finding the Fourth Proportional to 40,175.87, 55,437.57 and 22,270.70

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Solution

The fourth proportional to 40,175.87, 55,437.57 and 22,270.70 is: 30,730.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,175.87 : 55,437.57 = 22,270.70 : x
  2. Step 2: Convert to fraction form
    40,175.87/55,437.57 = 22,270.70/x
  3. Step 3: Cross multiply
    40,175.87x = 55,437.57 × 22,270.70
  4. Step 4: Simplify right side
    40,175.87x = 1,234,633,628.79
  5. Step 5: Solve for x
    x = 1,234,633,628.79/40,175.87
  6. Step 6: Final answer
    x = 30,730.73

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1.5x scale

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.