Home / 48,021.96-72,042.68-16,859.64

Finding the Fourth Proportional to 48,021.96, 72,042.68 and 16,859.64

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Solution

The fourth proportional to 48,021.96, 72,042.68 and 16,859.64 is: 25,292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,021.96 : 72,042.68 = 16,859.64 : x
  2. Step 2: Convert to fraction form
    48,021.96/72,042.68 = 16,859.64/x
  3. Step 3: Cross multiply
    48,021.96x = 72,042.68 × 16,859.64
  4. Step 4: Simplify right side
    48,021.96x = 1,214,613,649.44
  5. Step 5: Solve for x
    x = 1,214,613,649.44/48,021.96
  6. Step 6: Final answer
    x = 25,292.88

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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.