Home / 49,178.84-73,768.30-21,080.66

Finding the Fourth Proportional to 49,178.84, 73,768.30 and 21,080.66

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Solution

The fourth proportional to 49,178.84, 73,768.30 and 21,080.66 is: 31,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,178.84 : 73,768.30 = 21,080.66 : x
  2. Step 2: Convert to fraction form
    49,178.84/73,768.30 = 21,080.66/x
  3. Step 3: Cross multiply
    49,178.84x = 73,768.30 × 21,080.66
  4. Step 4: Simplify right side
    49,178.84x = 1,555,084,451.08
  5. Step 5: Solve for x
    x = 1,555,084,451.08/49,178.84
  6. Step 6: Final answer
    x = 31,621.01

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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.