Home / 36,795.56-55,201.48-13,421.92

Finding the Fourth Proportional to 36,795.56, 55,201.48 and 13,421.92

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Solution

The fourth proportional to 36,795.56, 55,201.48 and 13,421.92 is: 20,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,795.56 : 55,201.48 = 13,421.92 : x
  2. Step 2: Convert to fraction form
    36,795.56/55,201.48 = 13,421.92/x
  3. Step 3: Cross multiply
    36,795.56x = 55,201.48 × 13,421.92
  4. Step 4: Simplify right side
    36,795.56x = 740,909,848.44
  5. Step 5: Solve for x
    x = 740,909,848.44/36,795.56
  6. Step 6: Final answer
    x = 20,135.85

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1.5x scale

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.