Home / 37,983.79-52,414.94-20,987.85

Finding the Fourth Proportional to 37,983.79, 52,414.94 and 20,987.85

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Solution

The fourth proportional to 37,983.79, 52,414.94 and 20,987.85 is: 28,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,983.79 : 52,414.94 = 20,987.85 : x
  2. Step 2: Convert to fraction form
    37,983.79/52,414.94 = 20,987.85/x
  3. Step 3: Cross multiply
    37,983.79x = 52,414.94 × 20,987.85
  4. Step 4: Simplify right side
    37,983.79x = 1,100,076,793.54
  5. Step 5: Solve for x
    x = 1,100,076,793.54/37,983.79
  6. Step 6: Final answer
    x = 28,961.75

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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.