Home / 36,936.59-50,971.86-21,020.72

Finding the Fourth Proportional to 36,936.59, 50,971.86 and 21,020.72

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Solution

The fourth proportional to 36,936.59, 50,971.86 and 21,020.72 is: 29,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,936.59 : 50,971.86 = 21,020.72 : x
  2. Step 2: Convert to fraction form
    36,936.59/50,971.86 = 21,020.72/x
  3. Step 3: Cross multiply
    36,936.59x = 50,971.86 × 21,020.72
  4. Step 4: Simplify right side
    36,936.59x = 1,071,465,196.94
  5. Step 5: Solve for x
    x = 1,071,465,196.94/36,936.59
  6. Step 6: Final answer
    x = 29,008.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.