Home / 33,739.20-50,650.40-21,259.20

Finding the Fourth Proportional to 33,739.20, 50,650.40 and 21,259.20

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Solution

The fourth proportional to 33,739.20, 50,650.40 and 21,259.20 is: 31,915.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,739.20 : 50,650.40 = 21,259.20 : x
  2. Step 2: Convert to fraction form
    33,739.20/50,650.40 = 21,259.20/x
  3. Step 3: Cross multiply
    33,739.20x = 50,650.40 × 21,259.20
  4. Step 4: Simplify right side
    33,739.20x = 1,076,786,983.68
  5. Step 5: Solve for x
    x = 1,076,786,983.68/33,739.20
  6. Step 6: Final answer
    x = 31,915.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.