Home / 36,233.30-54,359.55-12,857.30

Finding the Fourth Proportional to 36,233.30, 54,359.55 and 12,857.30

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Solution

The fourth proportional to 36,233.30, 54,359.55 and 12,857.30 is: 19,289.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,233.30 : 54,359.55 = 12,857.30 : x
  2. Step 2: Convert to fraction form
    36,233.30/54,359.55 = 12,857.30/x
  3. Step 3: Cross multiply
    36,233.30x = 54,359.55 × 12,857.30
  4. Step 4: Simplify right side
    36,233.30x = 698,917,042.22
  5. Step 5: Solve for x
    x = 698,917,042.22/36,233.30
  6. Step 6: Final answer
    x = 19,289.36

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1.5x scale

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.