Home / 38,455.60-57,683.40-34,049.20

Finding the Fourth Proportional to 38,455.60, 57,683.40 and 34,049.20

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Solution

The fourth proportional to 38,455.60, 57,683.40 and 34,049.20 is: 51,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,455.60 : 57,683.40 = 34,049.20 : x
  2. Step 2: Convert to fraction form
    38,455.60/57,683.40 = 34,049.20/x
  3. Step 3: Cross multiply
    38,455.60x = 57,683.40 × 34,049.20
  4. Step 4: Simplify right side
    38,455.60x = 1,964,073,623.28
  5. Step 5: Solve for x
    x = 1,964,073,623.28/38,455.60
  6. Step 6: Final answer
    x = 51,073.80

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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.