Home / 40,311.34-55,626.55-22,405.28

Finding the Fourth Proportional to 40,311.34, 55,626.55 and 22,405.28

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Solution

The fourth proportional to 40,311.34, 55,626.55 and 22,405.28 is: 30,917.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,311.34 : 55,626.55 = 22,405.28 : x
  2. Step 2: Convert to fraction form
    40,311.34/55,626.55 = 22,405.28/x
  3. Step 3: Cross multiply
    40,311.34x = 55,626.55 × 22,405.28
  4. Step 4: Simplify right side
    40,311.34x = 1,246,328,094.04
  5. Step 5: Solve for x
    x = 1,246,328,094.04/40,311.34
  6. Step 6: Final answer
    x = 30,917.56

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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.