Home / 57,056.38-85,594.56-19,620.34

Finding the Fourth Proportional to 57,056.38, 85,594.56 and 19,620.34

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Solution

The fourth proportional to 57,056.38, 85,594.56 and 19,620.34 is: 29,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,056.38 : 85,594.56 = 19,620.34 : x
  2. Step 2: Convert to fraction form
    57,056.38/85,594.56 = 19,620.34/x
  3. Step 3: Cross multiply
    57,056.38x = 85,594.56 × 19,620.34
  4. Step 4: Simplify right side
    57,056.38x = 1,679,394,369.35
  5. Step 5: Solve for x
    x = 1,679,394,369.35/57,056.38
  6. Step 6: Final answer
    x = 29,433.95

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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.