Home / 36,982.50-51,036.66-20,215.50

Finding the Fourth Proportional to 36,982.50, 51,036.66 and 20,215.50

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Solution

The fourth proportional to 36,982.50, 51,036.66 and 20,215.50 is: 27,897.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,982.50 : 51,036.66 = 20,215.50 : x
  2. Step 2: Convert to fraction form
    36,982.50/51,036.66 = 20,215.50/x
  3. Step 3: Cross multiply
    36,982.50x = 51,036.66 × 20,215.50
  4. Step 4: Simplify right side
    36,982.50x = 1,031,731,600.23
  5. Step 5: Solve for x
    x = 1,031,731,600.23/36,982.50
  6. Step 6: Final answer
    x = 27,897.83

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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.