Home / 36,221.48-49,983.54-20,303

Finding the Fourth Proportional to 36,221.48, 49,983.54 and 20,303

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Solution

The fourth proportional to 36,221.48, 49,983.54 and 20,303 is: 28,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,221.48 : 49,983.54 = 20,303 : x
  2. Step 2: Convert to fraction form
    36,221.48/49,983.54 = 20,303/x
  3. Step 3: Cross multiply
    36,221.48x = 49,983.54 × 20,303
  4. Step 4: Simplify right side
    36,221.48x = 1,014,815,812.62
  5. Step 5: Solve for x
    x = 1,014,815,812.62/36,221.48
  6. Step 6: Final answer
    x = 28,016.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.