Home / 38,179.19-52,687.57-20,951.44

Finding the Fourth Proportional to 38,179.19, 52,687.57 and 20,951.44

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Solution

The fourth proportional to 38,179.19, 52,687.57 and 20,951.44 is: 28,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179.19 : 52,687.57 = 20,951.44 : x
  2. Step 2: Convert to fraction form
    38,179.19/52,687.57 = 20,951.44/x
  3. Step 3: Cross multiply
    38,179.19x = 52,687.57 × 20,951.44
  4. Step 4: Simplify right side
    38,179.19x = 1,103,880,461.60
  5. Step 5: Solve for x
    x = 1,103,880,461.60/38,179.19
  6. Step 6: Final answer
    x = 28,913.15

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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.