Home / 36,982.86-51,036.39-20,215.86

Finding the Fourth Proportional to 36,982.86, 51,036.39 and 20,215.86

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Solution

The fourth proportional to 36,982.86, 51,036.39 and 20,215.86 is: 27,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,982.86 : 51,036.39 = 20,215.86 : x
  2. Step 2: Convert to fraction form
    36,982.86/51,036.39 = 20,215.86/x
  3. Step 3: Cross multiply
    36,982.86x = 51,036.39 × 20,215.86
  4. Step 4: Simplify right side
    36,982.86x = 1,031,744,515.15
  5. Step 5: Solve for x
    x = 1,031,744,515.15/36,982.86
  6. Step 6: Final answer
    x = 27,897.91

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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.