Home / 37,670.25-51,987.38-20,903.25

Finding the Fourth Proportional to 37,670.25, 51,987.38 and 20,903.25

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Solution

The fourth proportional to 37,670.25, 51,987.38 and 20,903.25 is: 28,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,670.25 : 51,987.38 = 20,903.25 : x
  2. Step 2: Convert to fraction form
    37,670.25/51,987.38 = 20,903.25/x
  3. Step 3: Cross multiply
    37,670.25x = 51,987.38 × 20,903.25
  4. Step 4: Simplify right side
    37,670.25x = 1,086,705,096.47
  5. Step 5: Solve for x
    x = 1,086,705,096.47/37,670.25
  6. Step 6: Final answer
    x = 28,847.83

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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.