Home / 36,881.10-55,321.56-9,179.10

Finding the Fourth Proportional to 36,881.10, 55,321.56 and 9,179.10

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Solution

The fourth proportional to 36,881.10, 55,321.56 and 9,179.10 is: 13,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,881.10 : 55,321.56 = 9,179.10 : x
  2. Step 2: Convert to fraction form
    36,881.10/55,321.56 = 9,179.10/x
  3. Step 3: Cross multiply
    36,881.10x = 55,321.56 × 9,179.10
  4. Step 4: Simplify right side
    36,881.10x = 507,802,131.40
  5. Step 5: Solve for x
    x = 507,802,131.40/36,881.10
  6. Step 6: Final answer
    x = 13,768.63

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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.