Home / 36,118.28-49,845.30-20,203.40

Finding the Fourth Proportional to 36,118.28, 49,845.30 and 20,203.40

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Solution

The fourth proportional to 36,118.28, 49,845.30 and 20,203.40 is: 27,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,118.28 : 49,845.30 = 20,203.40 : x
  2. Step 2: Convert to fraction form
    36,118.28/49,845.30 = 20,203.40/x
  3. Step 3: Cross multiply
    36,118.28x = 49,845.30 × 20,203.40
  4. Step 4: Simplify right side
    36,118.28x = 1,007,044,534.02
  5. Step 5: Solve for x
    x = 1,007,044,534.02/36,118.28
  6. Step 6: Final answer
    x = 27,881.85

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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.