Home / 34,067.30-47,015.17-18,961.20

Finding the Fourth Proportional to 34,067.30, 47,015.17 and 18,961.20

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Solution

The fourth proportional to 34,067.30, 47,015.17 and 18,961.20 is: 26,167.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,067.30 : 47,015.17 = 18,961.20 : x
  2. Step 2: Convert to fraction form
    34,067.30/47,015.17 = 18,961.20/x
  3. Step 3: Cross multiply
    34,067.30x = 47,015.17 × 18,961.20
  4. Step 4: Simplify right side
    34,067.30x = 891,463,994.00
  5. Step 5: Solve for x
    x = 891,463,994.00/34,067.30
  6. Step 6: Final answer
    x = 26,167.74

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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.