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Finding the Fourth Proportional to 36,238.49, 50,009.02 and 20,323.28

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Solution

The fourth proportional to 36,238.49, 50,009.02 and 20,323.28 is: 28,046.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,238.49 : 50,009.02 = 20,323.28 : x
  2. Step 2: Convert to fraction form
    36,238.49/50,009.02 = 20,323.28/x
  3. Step 3: Cross multiply
    36,238.49x = 50,009.02 × 20,323.28
  4. Step 4: Simplify right side
    36,238.49x = 1,016,347,202.67
  5. Step 5: Solve for x
    x = 1,016,347,202.67/36,238.49
  6. Step 6: Final answer
    x = 28,046.07

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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.