Home / 37,122.90-51,229.43-20,127.08

Finding the Fourth Proportional to 37,122.90, 51,229.43 and 20,127.08

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Solution

The fourth proportional to 37,122.90, 51,229.43 and 20,127.08 is: 27,775.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,122.90 : 51,229.43 = 20,127.08 : x
  2. Step 2: Convert to fraction form
    37,122.90/51,229.43 = 20,127.08/x
  3. Step 3: Cross multiply
    37,122.90x = 51,229.43 × 20,127.08
  4. Step 4: Simplify right side
    37,122.90x = 1,031,098,735.33
  5. Step 5: Solve for x
    x = 1,031,098,735.33/37,122.90
  6. Step 6: Final answer
    x = 27,775.28

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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.