Home / 31,994.08-44,156.10-19,419.04

Finding the Fourth Proportional to 31,994.08, 44,156.10 and 19,419.04

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Solution

The fourth proportional to 31,994.08, 44,156.10 and 19,419.04 is: 26,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,994.08 : 44,156.10 = 19,419.04 : x
  2. Step 2: Convert to fraction form
    31,994.08/44,156.10 = 19,419.04/x
  3. Step 3: Cross multiply
    31,994.08x = 44,156.10 × 19,419.04
  4. Step 4: Simplify right side
    31,994.08x = 857,469,072.14
  5. Step 5: Solve for x
    x = 857,469,072.14/31,994.08
  6. Step 6: Final answer
    x = 26,800.87

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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.