Home / 40,318.56-55,512.54-36,581.94

Finding the Fourth Proportional to 40,318.56, 55,512.54 and 36,581.94

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Solution

The fourth proportional to 40,318.56, 55,512.54 and 36,581.94 is: 50,367.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,318.56 : 55,512.54 = 36,581.94 : x
  2. Step 2: Convert to fraction form
    40,318.56/55,512.54 = 36,581.94/x
  3. Step 3: Cross multiply
    40,318.56x = 55,512.54 × 36,581.94
  4. Step 4: Simplify right side
    40,318.56x = 2,030,756,407.53
  5. Step 5: Solve for x
    x = 2,030,756,407.53/40,318.56
  6. Step 6: Final answer
    x = 50,367.78

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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.