Home / 66,823.06-100,224.15-21,844.08

Finding the Fourth Proportional to 66,823.06, 100,224.15 and 21,844.08

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Solution

The fourth proportional to 66,823.06, 100,224.15 and 21,844.08 is: 32,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,823.06 : 100,224.15 = 21,844.08 : x
  2. Step 2: Convert to fraction form
    66,823.06/100,224.15 = 21,844.08/x
  3. Step 3: Cross multiply
    66,823.06x = 100,224.15 × 21,844.08
  4. Step 4: Simplify right side
    66,823.06x = 2,189,304,350.53
  5. Step 5: Solve for x
    x = 2,189,304,350.53/66,823.06
  6. Step 6: Final answer
    x = 32,762.71

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1.5x scale

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.