Home / 43,830.24-65,792.20-18,882.68

Finding the Fourth Proportional to 43,830.24, 65,792.20 and 18,882.68

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Solution

The fourth proportional to 43,830.24, 65,792.20 and 18,882.68 is: 28,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,830.24 : 65,792.20 = 18,882.68 : x
  2. Step 2: Convert to fraction form
    43,830.24/65,792.20 = 18,882.68/x
  3. Step 3: Cross multiply
    43,830.24x = 65,792.20 × 18,882.68
  4. Step 4: Simplify right side
    43,830.24x = 1,242,333,059.10
  5. Step 5: Solve for x
    x = 1,242,333,059.10/43,830.24
  6. Step 6: Final answer
    x = 28,344.20

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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.