Home / 36,987.56-51,042.66-20,219.48

Finding the Fourth Proportional to 36,987.56, 51,042.66 and 20,219.48

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Solution

The fourth proportional to 36,987.56, 51,042.66 and 20,219.48 is: 27,902.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,987.56 : 51,042.66 = 20,219.48 : x
  2. Step 2: Convert to fraction form
    36,987.56/51,042.66 = 20,219.48/x
  3. Step 3: Cross multiply
    36,987.56x = 51,042.66 × 20,219.48
  4. Step 4: Simplify right side
    36,987.56x = 1,032,056,043.02
  5. Step 5: Solve for x
    x = 1,032,056,043.02/36,987.56
  6. Step 6: Final answer
    x = 27,902.79

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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.