Home / 35,105.09-48,445.03-19,189.61

Finding the Fourth Proportional to 35,105.09, 48,445.03 and 19,189.61

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Solution

The fourth proportional to 35,105.09, 48,445.03 and 19,189.61 is: 26,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,105.09 : 48,445.03 = 19,189.61 : x
  2. Step 2: Convert to fraction form
    35,105.09/48,445.03 = 19,189.61/x
  3. Step 3: Cross multiply
    35,105.09x = 48,445.03 × 19,189.61
  4. Step 4: Simplify right side
    35,105.09x = 929,641,232.14
  5. Step 5: Solve for x
    x = 929,641,232.14/35,105.09
  6. Step 6: Final answer
    x = 26,481.66

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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.