Home / 36,866.07-55,285.04-13,169.21

Finding the Fourth Proportional to 36,866.07, 55,285.04 and 13,169.21

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Solution

The fourth proportional to 36,866.07, 55,285.04 and 13,169.21 is: 19,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,866.07 : 55,285.04 = 13,169.21 : x
  2. Step 2: Convert to fraction form
    36,866.07/55,285.04 = 13,169.21/x
  3. Step 3: Cross multiply
    36,866.07x = 55,285.04 × 13,169.21
  4. Step 4: Simplify right side
    36,866.07x = 728,059,959.35
  5. Step 5: Solve for x
    x = 728,059,959.35/36,866.07
  6. Step 6: Final answer
    x = 19,748.78

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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.