Home / 36,982.89-51,036.57-20,215.89

Finding the Fourth Proportional to 36,982.89, 51,036.57 and 20,215.89

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Solution

The fourth proportional to 36,982.89, 51,036.57 and 20,215.89 is: 27,898.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,982.89 : 51,036.57 = 20,215.89 : x
  2. Step 2: Convert to fraction form
    36,982.89/51,036.57 = 20,215.89/x
  3. Step 3: Cross multiply
    36,982.89x = 51,036.57 × 20,215.89
  4. Step 4: Simplify right side
    36,982.89x = 1,031,749,685.10
  5. Step 5: Solve for x
    x = 1,031,749,685.10/36,982.89
  6. Step 6: Final answer
    x = 27,898.03

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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.