Home / 36,686.26-55,051.26-13,309.66

Finding the Fourth Proportional to 36,686.26, 55,051.26 and 13,309.66

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Solution

The fourth proportional to 36,686.26, 55,051.26 and 13,309.66 is: 19,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,686.26 : 55,051.26 = 13,309.66 : x
  2. Step 2: Convert to fraction form
    36,686.26/55,051.26 = 13,309.66/x
  3. Step 3: Cross multiply
    36,686.26x = 55,051.26 × 13,309.66
  4. Step 4: Simplify right side
    36,686.26x = 732,713,553.17
  5. Step 5: Solve for x
    x = 732,713,553.17/36,686.26
  6. Step 6: Final answer
    x = 19,972.42

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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.