Home / 27,108.11-40,637.19-12,107.36

Finding the Fourth Proportional to 27,108.11, 40,637.19 and 12,107.36

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Solution

The fourth proportional to 27,108.11, 40,637.19 and 12,107.36 is: 18,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.11 : 40,637.19 = 12,107.36 : x
  2. Step 2: Convert to fraction form
    27,108.11/40,637.19 = 12,107.36/x
  3. Step 3: Cross multiply
    27,108.11x = 40,637.19 × 12,107.36
  4. Step 4: Simplify right side
    27,108.11x = 492,009,088.72
  5. Step 5: Solve for x
    x = 492,009,088.72/27,108.11
  6. Step 6: Final answer
    x = 18,149.89

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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.