Home / 37,125.08-51,233-20,129.36

Finding the Fourth Proportional to 37,125.08, 51,233 and 20,129.36

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Solution

The fourth proportional to 37,125.08, 51,233 and 20,129.36 is: 27,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,125.08 : 51,233 = 20,129.36 : x
  2. Step 2: Convert to fraction form
    37,125.08/51,233 = 20,129.36/x
  3. Step 3: Cross multiply
    37,125.08x = 51,233 × 20,129.36
  4. Step 4: Simplify right side
    37,125.08x = 1,031,287,500.88
  5. Step 5: Solve for x
    x = 1,031,287,500.88/37,125.08
  6. Step 6: Final answer
    x = 27,778.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.