Home / 31,954.42-44,120.58-20,630.53

Finding the Fourth Proportional to 31,954.42, 44,120.58 and 20,630.53

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Solution

The fourth proportional to 31,954.42, 44,120.58 and 20,630.53 is: 28,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,954.42 : 44,120.58 = 20,630.53 : x
  2. Step 2: Convert to fraction form
    31,954.42/44,120.58 = 20,630.53/x
  3. Step 3: Cross multiply
    31,954.42x = 44,120.58 × 20,630.53
  4. Step 4: Simplify right side
    31,954.42x = 910,230,846.15
  5. Step 5: Solve for x
    x = 910,230,846.15/31,954.42
  6. Step 6: Final answer
    x = 28,485.29

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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.