Home / 44,222.55-66,334.32-18,918.62

Finding the Fourth Proportional to 44,222.55, 66,334.32 and 18,918.62

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Solution

The fourth proportional to 44,222.55, 66,334.32 and 18,918.62 is: 28,378.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,222.55 : 66,334.32 = 18,918.62 : x
  2. Step 2: Convert to fraction form
    44,222.55/66,334.32 = 18,918.62/x
  3. Step 3: Cross multiply
    44,222.55x = 66,334.32 × 18,918.62
  4. Step 4: Simplify right side
    44,222.55x = 1,254,953,793.04
  5. Step 5: Solve for x
    x = 1,254,953,793.04/44,222.55
  6. Step 6: Final answer
    x = 28,378.14

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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.