Home / 37,670.56-51,985.36-20,906.72

Finding the Fourth Proportional to 37,670.56, 51,985.36 and 20,906.72

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Solution

The fourth proportional to 37,670.56, 51,985.36 and 20,906.72 is: 28,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,670.56 : 51,985.36 = 20,906.72 : x
  2. Step 2: Convert to fraction form
    37,670.56/51,985.36 = 20,906.72/x
  3. Step 3: Cross multiply
    37,670.56x = 51,985.36 × 20,906.72
  4. Step 4: Simplify right side
    37,670.56x = 1,086,843,365.62
  5. Step 5: Solve for x
    x = 1,086,843,365.62/37,670.56
  6. Step 6: Final answer
    x = 28,851.27

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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.