Home / 36,039.24-54,078.30-19,411.56

Finding the Fourth Proportional to 36,039.24, 54,078.30 and 19,411.56

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Solution

The fourth proportional to 36,039.24, 54,078.30 and 19,411.56 is: 29,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,039.24 : 54,078.30 = 19,411.56 : x
  2. Step 2: Convert to fraction form
    36,039.24/54,078.30 = 19,411.56/x
  3. Step 3: Cross multiply
    36,039.24x = 54,078.30 × 19,411.56
  4. Step 4: Simplify right side
    36,039.24x = 1,049,744,165.15
  5. Step 5: Solve for x
    x = 1,049,744,165.15/36,039.24
  6. Step 6: Final answer
    x = 29,127.81

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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.