Home / 36,885.22-55,350-13,190.90

Finding the Fourth Proportional to 36,885.22, 55,350 and 13,190.90

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Solution

The fourth proportional to 36,885.22, 55,350 and 13,190.90 is: 19,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,885.22 : 55,350 = 13,190.90 : x
  2. Step 2: Convert to fraction form
    36,885.22/55,350 = 13,190.90/x
  3. Step 3: Cross multiply
    36,885.22x = 55,350 × 13,190.90
  4. Step 4: Simplify right side
    36,885.22x = 730,116,038.25
  5. Step 5: Solve for x
    x = 730,116,038.25/36,885.22
  6. Step 6: Final answer
    x = 19,794.27

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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.