Home / 57,031.14-85,487.34-21,468.04

Finding the Fourth Proportional to 57,031.14, 85,487.34 and 21,468.04

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Solution

The fourth proportional to 57,031.14, 85,487.34 and 21,468.04 is: 32,179.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,031.14 : 85,487.34 = 21,468.04 : x
  2. Step 2: Convert to fraction form
    57,031.14/85,487.34 = 21,468.04/x
  3. Step 3: Cross multiply
    57,031.14x = 85,487.34 × 21,468.04
  4. Step 4: Simplify right side
    57,031.14x = 1,835,245,634.61
  5. Step 5: Solve for x
    x = 1,835,245,634.61/57,031.14
  6. Step 6: Final answer
    x = 32,179.71

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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.