Home / 45,499.44-68,249.08-20,548.24

Finding the Fourth Proportional to 45,499.44, 68,249.08 and 20,548.24

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Solution

The fourth proportional to 45,499.44, 68,249.08 and 20,548.24 is: 30,822.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,499.44 : 68,249.08 = 20,548.24 : x
  2. Step 2: Convert to fraction form
    45,499.44/68,249.08 = 20,548.24/x
  3. Step 3: Cross multiply
    45,499.44x = 68,249.08 × 20,548.24
  4. Step 4: Simplify right side
    45,499.44x = 1,402,398,475.62
  5. Step 5: Solve for x
    x = 1,402,398,475.62/45,499.44
  6. Step 6: Final answer
    x = 30,822.32

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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.