Home / 37,131.01-51,241.05-20,135.34

Finding the Fourth Proportional to 37,131.01, 51,241.05 and 20,135.34

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Solution

The fourth proportional to 37,131.01, 51,241.05 and 20,135.34 is: 27,786.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,131.01 : 51,241.05 = 20,135.34 : x
  2. Step 2: Convert to fraction form
    37,131.01/51,241.05 = 20,135.34/x
  3. Step 3: Cross multiply
    37,131.01x = 51,241.05 × 20,135.34
  4. Step 4: Simplify right side
    37,131.01x = 1,031,755,963.71
  5. Step 5: Solve for x
    x = 1,031,755,963.71/37,131.01
  6. Step 6: Final answer
    x = 27,786.91

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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.