Home / 35,105.80-48,444.86-19,190.12

Finding the Fourth Proportional to 35,105.80, 48,444.86 and 19,190.12

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Solution

The fourth proportional to 35,105.80, 48,444.86 and 19,190.12 is: 26,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,105.80 : 48,444.86 = 19,190.12 : x
  2. Step 2: Convert to fraction form
    35,105.80/48,444.86 = 19,190.12/x
  3. Step 3: Cross multiply
    35,105.80x = 48,444.86 × 19,190.12
  4. Step 4: Simplify right side
    35,105.80x = 929,662,676.78
  5. Step 5: Solve for x
    x = 929,662,676.78/35,105.80
  6. Step 6: Final answer
    x = 26,481.74

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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.