Home / 49,276.84-73,967.89-21,210.80

Finding the Fourth Proportional to 49,276.84, 73,967.89 and 21,210.80

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Solution

The fourth proportional to 49,276.84, 73,967.89 and 21,210.80 is: 31,838.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,276.84 : 73,967.89 = 21,210.80 : x
  2. Step 2: Convert to fraction form
    49,276.84/73,967.89 = 21,210.80/x
  3. Step 3: Cross multiply
    49,276.84x = 73,967.89 × 21,210.80
  4. Step 4: Simplify right side
    49,276.84x = 1,568,918,121.21
  5. Step 5: Solve for x
    x = 1,568,918,121.21/49,276.84
  6. Step 6: Final answer
    x = 31,838.85

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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.