Home / 36,745.42-55,121.76-11,779.18

Finding the Fourth Proportional to 36,745.42, 55,121.76 and 11,779.18

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Solution

The fourth proportional to 36,745.42, 55,121.76 and 11,779.18 is: 17,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,745.42 : 55,121.76 = 11,779.18 : x
  2. Step 2: Convert to fraction form
    36,745.42/55,121.76 = 11,779.18/x
  3. Step 3: Cross multiply
    36,745.42x = 55,121.76 × 11,779.18
  4. Step 4: Simplify right side
    36,745.42x = 649,289,132.96
  5. Step 5: Solve for x
    x = 649,289,132.96/36,745.42
  6. Step 6: Final answer
    x = 17,669.93

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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.