Home / 36,691.36-55,036.32-8,989.36

Finding the Fourth Proportional to 36,691.36, 55,036.32 and 8,989.36

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Solution

The fourth proportional to 36,691.36, 55,036.32 and 8,989.36 is: 13,483.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.36 : 55,036.32 = 8,989.36 : x
  2. Step 2: Convert to fraction form
    36,691.36/55,036.32 = 8,989.36/x
  3. Step 3: Cross multiply
    36,691.36x = 55,036.32 × 8,989.36
  4. Step 4: Simplify right side
    36,691.36x = 494,741,293.56
  5. Step 5: Solve for x
    x = 494,741,293.56/36,691.36
  6. Step 6: Final answer
    x = 13,483.86

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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.