Home / 35,105.10-48,448.35-19,191.90

Finding the Fourth Proportional to 35,105.10, 48,448.35 and 19,191.90

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Solution

The fourth proportional to 35,105.10, 48,448.35 and 19,191.90 is: 26,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,105.10 : 48,448.35 = 19,191.90 : x
  2. Step 2: Convert to fraction form
    35,105.10/48,448.35 = 19,191.90/x
  3. Step 3: Cross multiply
    35,105.10x = 48,448.35 × 19,191.90
  4. Step 4: Simplify right side
    35,105.10x = 929,815,888.37
  5. Step 5: Solve for x
    x = 929,815,888.37/35,105.10
  6. Step 6: Final answer
    x = 26,486.63

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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.