Home / 36,799.65-55,223.66-20,171.45

Finding the Fourth Proportional to 36,799.65, 55,223.66 and 20,171.45

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Solution

The fourth proportional to 36,799.65, 55,223.66 and 20,171.45 is: 30,270.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,799.65 : 55,223.66 = 20,171.45 : x
  2. Step 2: Convert to fraction form
    36,799.65/55,223.66 = 20,171.45/x
  3. Step 3: Cross multiply
    36,799.65x = 55,223.66 × 20,171.45
  4. Step 4: Simplify right side
    36,799.65x = 1,113,940,919.53
  5. Step 5: Solve for x
    x = 1,113,940,919.53/36,799.65
  6. Step 6: Final answer
    x = 30,270.42

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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.