Home / 66,223.56-99,314.26-21,842.04

Finding the Fourth Proportional to 66,223.56, 99,314.26 and 21,842.04

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Solution

The fourth proportional to 66,223.56, 99,314.26 and 21,842.04 is: 32,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,223.56 : 99,314.26 = 21,842.04 : x
  2. Step 2: Convert to fraction form
    66,223.56/99,314.26 = 21,842.04/x
  3. Step 3: Cross multiply
    66,223.56x = 99,314.26 × 21,842.04
  4. Step 4: Simplify right side
    66,223.56x = 2,169,226,039.49
  5. Step 5: Solve for x
    x = 2,169,226,039.49/66,223.56
  6. Step 6: Final answer
    x = 32,756.11

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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.