Home / 32,894.44-45,379.14-20,143.72

Finding the Fourth Proportional to 32,894.44, 45,379.14 and 20,143.72

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Solution

The fourth proportional to 32,894.44, 45,379.14 and 20,143.72 is: 27,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,894.44 : 45,379.14 = 20,143.72 : x
  2. Step 2: Convert to fraction form
    32,894.44/45,379.14 = 20,143.72/x
  3. Step 3: Cross multiply
    32,894.44x = 45,379.14 × 20,143.72
  4. Step 4: Simplify right side
    32,894.44x = 914,104,690.00
  5. Step 5: Solve for x
    x = 914,104,690.00/32,894.44
  6. Step 6: Final answer
    x = 27,789.03

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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.