Home / 57,291.30-85,906.37-19,841.76

Finding the Fourth Proportional to 57,291.30, 85,906.37 and 19,841.76

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Solution

The fourth proportional to 57,291.30, 85,906.37 and 19,841.76 is: 29,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,291.30 : 85,906.37 = 19,841.76 : x
  2. Step 2: Convert to fraction form
    57,291.30/85,906.37 = 19,841.76/x
  3. Step 3: Cross multiply
    57,291.30x = 85,906.37 × 19,841.76
  4. Step 4: Simplify right side
    57,291.30x = 1,704,533,625.62
  5. Step 5: Solve for x
    x = 1,704,533,625.62/57,291.30
  6. Step 6: Final answer
    x = 29,752.05

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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.