Home / 35,981.27-53,924.52-20,186

Finding the Fourth Proportional to 35,981.27, 53,924.52 and 20,186

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Solution

The fourth proportional to 35,981.27, 53,924.52 and 20,186 is: 30,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.27 : 53,924.52 = 20,186 : x
  2. Step 2: Convert to fraction form
    35,981.27/53,924.52 = 20,186/x
  3. Step 3: Cross multiply
    35,981.27x = 53,924.52 × 20,186
  4. Step 4: Simplify right side
    35,981.27x = 1,088,520,360.72
  5. Step 5: Solve for x
    x = 1,088,520,360.72/35,981.27
  6. Step 6: Final answer
    x = 30,252.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.