Home / 35,015.60-48,319.76-19,906.28

Finding the Fourth Proportional to 35,015.60, 48,319.76 and 19,906.28

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Solution

The fourth proportional to 35,015.60, 48,319.76 and 19,906.28 is: 27,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,015.60 : 48,319.76 = 19,906.28 : x
  2. Step 2: Convert to fraction form
    35,015.60/48,319.76 = 19,906.28/x
  3. Step 3: Cross multiply
    35,015.60x = 48,319.76 × 19,906.28
  4. Step 4: Simplify right side
    35,015.60x = 961,866,672.09
  5. Step 5: Solve for x
    x = 961,866,672.09/35,015.60
  6. Step 6: Final answer
    x = 27,469.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.