Home / 36,887.20-55,317.23-13,188.34

Finding the Fourth Proportional to 36,887.20, 55,317.23 and 13,188.34

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Solution

The fourth proportional to 36,887.20, 55,317.23 and 13,188.34 is: 19,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,887.20 : 55,317.23 = 13,188.34 : x
  2. Step 2: Convert to fraction form
    36,887.20/55,317.23 = 13,188.34/x
  3. Step 3: Cross multiply
    36,887.20x = 55,317.23 × 13,188.34
  4. Step 4: Simplify right side
    36,887.20x = 729,542,489.76
  5. Step 5: Solve for x
    x = 729,542,489.76/36,887.20
  6. Step 6: Final answer
    x = 19,777.66

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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.