Home / 35,843.09-53,731.04-12,134.05

Finding the Fourth Proportional to 35,843.09, 53,731.04 and 12,134.05

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Solution

The fourth proportional to 35,843.09, 53,731.04 and 12,134.05 is: 18,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,843.09 : 53,731.04 = 12,134.05 : x
  2. Step 2: Convert to fraction form
    35,843.09/53,731.04 = 12,134.05/x
  3. Step 3: Cross multiply
    35,843.09x = 53,731.04 × 12,134.05
  4. Step 4: Simplify right side
    35,843.09x = 651,974,976.42
  5. Step 5: Solve for x
    x = 651,974,976.42/35,843.09
  6. Step 6: Final answer
    x = 18,189.70

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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.