Home / 66,210.22-99,329.01-21,839.68

Finding the Fourth Proportional to 66,210.22, 99,329.01 and 21,839.68

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Solution

The fourth proportional to 66,210.22, 99,329.01 and 21,839.68 is: 32,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,210.22 : 99,329.01 = 21,839.68 : x
  2. Step 2: Convert to fraction form
    66,210.22/99,329.01 = 21,839.68/x
  3. Step 3: Cross multiply
    66,210.22x = 99,329.01 × 21,839.68
  4. Step 4: Simplify right side
    66,210.22x = 2,169,313,793.12
  5. Step 5: Solve for x
    x = 2,169,313,793.12/66,210.22
  6. Step 6: Final answer
    x = 32,764.03

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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.