Home / 57,354.12-86,031.03-15,238.44

Finding the Fourth Proportional to 57,354.12, 86,031.03 and 15,238.44

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Solution

The fourth proportional to 57,354.12, 86,031.03 and 15,238.44 is: 22,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,354.12 : 86,031.03 = 15,238.44 : x
  2. Step 2: Convert to fraction form
    57,354.12/86,031.03 = 15,238.44/x
  3. Step 3: Cross multiply
    57,354.12x = 86,031.03 × 15,238.44
  4. Step 4: Simplify right side
    57,354.12x = 1,310,978,688.79
  5. Step 5: Solve for x
    x = 1,310,978,688.79/57,354.12
  6. Step 6: Final answer
    x = 22,857.62

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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.