Home / 45,738.44-68,561.10-20,796.20

Finding the Fourth Proportional to 45,738.44, 68,561.10 and 20,796.20

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Solution

The fourth proportional to 45,738.44, 68,561.10 and 20,796.20 is: 31,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,738.44 : 68,561.10 = 20,796.20 : x
  2. Step 2: Convert to fraction form
    45,738.44/68,561.10 = 20,796.20/x
  3. Step 3: Cross multiply
    45,738.44x = 68,561.10 × 20,796.20
  4. Step 4: Simplify right side
    45,738.44x = 1,425,810,347.82
  5. Step 5: Solve for x
    x = 1,425,810,347.82/45,738.44
  6. Step 6: Final answer
    x = 31,173.13

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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.