Home / 36,896.85-50,918.22-20,129.85

Finding the Fourth Proportional to 36,896.85, 50,918.22 and 20,129.85

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Solution

The fourth proportional to 36,896.85, 50,918.22 and 20,129.85 is: 27,779.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,896.85 : 50,918.22 = 20,129.85 : x
  2. Step 2: Convert to fraction form
    36,896.85/50,918.22 = 20,129.85/x
  3. Step 3: Cross multiply
    36,896.85x = 50,918.22 × 20,129.85
  4. Step 4: Simplify right side
    36,896.85x = 1,024,976,130.87
  5. Step 5: Solve for x
    x = 1,024,976,130.87/36,896.85
  6. Step 6: Final answer
    x = 27,779.50

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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.