Home / 36,160.36-54,239.98-12,786.92

Finding the Fourth Proportional to 36,160.36, 54,239.98 and 12,786.92

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Solution

The fourth proportional to 36,160.36, 54,239.98 and 12,786.92 is: 19,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,160.36 : 54,239.98 = 12,786.92 : x
  2. Step 2: Convert to fraction form
    36,160.36/54,239.98 = 12,786.92/x
  3. Step 3: Cross multiply
    36,160.36x = 54,239.98 × 12,786.92
  4. Step 4: Simplify right side
    36,160.36x = 693,562,285.06
  5. Step 5: Solve for x
    x = 693,562,285.06/36,160.36
  6. Step 6: Final answer
    x = 19,180.18

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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.