Home / 66,224.16-99,322.20-21,840.33

Finding the Fourth Proportional to 66,224.16, 99,322.20 and 21,840.33

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Solution

The fourth proportional to 66,224.16, 99,322.20 and 21,840.33 is: 32,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,224.16 : 99,322.20 = 21,840.33 : x
  2. Step 2: Convert to fraction form
    66,224.16/99,322.20 = 21,840.33/x
  3. Step 3: Cross multiply
    66,224.16x = 99,322.20 × 21,840.33
  4. Step 4: Simplify right side
    66,224.16x = 2,169,229,624.33
  5. Step 5: Solve for x
    x = 2,169,229,624.33/66,224.16
  6. Step 6: Final answer
    x = 32,755.86

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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.