Home / 32,126.50-44,361.93-20,209.78

Finding the Fourth Proportional to 32,126.50, 44,361.93 and 20,209.78

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Solution

The fourth proportional to 32,126.50, 44,361.93 and 20,209.78 is: 27,906.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,126.50 : 44,361.93 = 20,209.78 : x
  2. Step 2: Convert to fraction form
    32,126.50/44,361.93 = 20,209.78/x
  3. Step 3: Cross multiply
    32,126.50x = 44,361.93 × 20,209.78
  4. Step 4: Simplify right side
    32,126.50x = 896,544,845.68
  5. Step 5: Solve for x
    x = 896,544,845.68/32,126.50
  6. Step 6: Final answer
    x = 27,906.71

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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.