Home / 40,519.37-55,919.52-22,617.87

Finding the Fourth Proportional to 40,519.37, 55,919.52 and 22,617.87

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Solution

The fourth proportional to 40,519.37, 55,919.52 and 22,617.87 is: 31,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,519.37 : 55,919.52 = 22,617.87 : x
  2. Step 2: Convert to fraction form
    40,519.37/55,919.52 = 22,617.87/x
  3. Step 3: Cross multiply
    40,519.37x = 55,919.52 × 22,617.87
  4. Step 4: Simplify right side
    40,519.37x = 1,264,780,433.82
  5. Step 5: Solve for x
    x = 1,264,780,433.82/40,519.37
  6. Step 6: Final answer
    x = 31,214.22

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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.