Home / 36,795.42-55,201.35-13,421.85

Finding the Fourth Proportional to 36,795.42, 55,201.35 and 13,421.85

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Solution

The fourth proportional to 36,795.42, 55,201.35 and 13,421.85 is: 20,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,795.42 : 55,201.35 = 13,421.85 : x
  2. Step 2: Convert to fraction form
    36,795.42/55,201.35 = 13,421.85/x
  3. Step 3: Cross multiply
    36,795.42x = 55,201.35 × 13,421.85
  4. Step 4: Simplify right side
    36,795.42x = 740,904,239.50
  5. Step 5: Solve for x
    x = 740,904,239.50/36,795.42
  6. Step 6: Final answer
    x = 20,135.77

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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.