Home / 36,745.66-55,122.12-11,779.42

Finding the Fourth Proportional to 36,745.66, 55,122.12 and 11,779.42

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Solution

The fourth proportional to 36,745.66, 55,122.12 and 11,779.42 is: 17,670.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,745.66 : 55,122.12 = 11,779.42 : x
  2. Step 2: Convert to fraction form
    36,745.66/55,122.12 = 11,779.42/x
  3. Step 3: Cross multiply
    36,745.66x = 55,122.12 × 11,779.42
  4. Step 4: Simplify right side
    36,745.66x = 649,306,602.77
  5. Step 5: Solve for x
    x = 649,306,602.77/36,745.66
  6. Step 6: Final answer
    x = 17,670.29

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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.