Home / 38,463.60-57,652.20-19,736.40

Finding the Fourth Proportional to 38,463.60, 57,652.20 and 19,736.40

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Solution

The fourth proportional to 38,463.60, 57,652.20 and 19,736.40 is: 29,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,463.60 : 57,652.20 = 19,736.40 : x
  2. Step 2: Convert to fraction form
    38,463.60/57,652.20 = 19,736.40/x
  3. Step 3: Cross multiply
    38,463.60x = 57,652.20 × 19,736.40
  4. Step 4: Simplify right side
    38,463.60x = 1,137,846,880.08
  5. Step 5: Solve for x
    x = 1,137,846,880.08/38,463.60
  6. Step 6: Final answer
    x = 29,582.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.