Home / 36,971.62-51,021-20,204.62

Finding the Fourth Proportional to 36,971.62, 51,021 and 20,204.62

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Solution

The fourth proportional to 36,971.62, 51,021 and 20,204.62 is: 27,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,971.62 : 51,021 = 20,204.62 : x
  2. Step 2: Convert to fraction form
    36,971.62/51,021 = 20,204.62/x
  3. Step 3: Cross multiply
    36,971.62x = 51,021 × 20,204.62
  4. Step 4: Simplify right side
    36,971.62x = 1,030,859,917.02
  5. Step 5: Solve for x
    x = 1,030,859,917.02/36,971.62
  6. Step 6: Final answer
    x = 27,882.47

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1.5x scale

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.