Home / 33,871.08-50,806.63-14,138.88

Finding the Fourth Proportional to 33,871.08, 50,806.63 and 14,138.88

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Solution

The fourth proportional to 33,871.08, 50,806.63 and 14,138.88 is: 21,208.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,871.08 : 50,806.63 = 14,138.88 : x
  2. Step 2: Convert to fraction form
    33,871.08/50,806.63 = 14,138.88/x
  3. Step 3: Cross multiply
    33,871.08x = 50,806.63 × 14,138.88
  4. Step 4: Simplify right side
    33,871.08x = 718,348,671.92
  5. Step 5: Solve for x
    x = 718,348,671.92/33,871.08
  6. Step 6: Final answer
    x = 21,208.32

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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.