Home / 43,461.92-65,223.96-18,519.44

Finding the Fourth Proportional to 43,461.92, 65,223.96 and 18,519.44

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Solution

The fourth proportional to 43,461.92, 65,223.96 and 18,519.44 is: 27,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,461.92 : 65,223.96 = 18,519.44 : x
  2. Step 2: Convert to fraction form
    43,461.92/65,223.96 = 18,519.44/x
  3. Step 3: Cross multiply
    43,461.92x = 65,223.96 × 18,519.44
  4. Step 4: Simplify right side
    43,461.92x = 1,207,911,213.78
  5. Step 5: Solve for x
    x = 1,207,911,213.78/43,461.92
  6. Step 6: Final answer
    x = 27,792.40

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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.