Home / 45,741.30-68,579.55-20,793.30

Finding the Fourth Proportional to 45,741.30, 68,579.55 and 20,793.30

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Solution

The fourth proportional to 45,741.30, 68,579.55 and 20,793.30 is: 31,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,741.30 : 68,579.55 = 20,793.30 : x
  2. Step 2: Convert to fraction form
    45,741.30/68,579.55 = 20,793.30/x
  3. Step 3: Cross multiply
    45,741.30x = 68,579.55 × 20,793.30
  4. Step 4: Simplify right side
    45,741.30x = 1,425,995,157.02
  5. Step 5: Solve for x
    x = 1,425,995,157.02/45,741.30
  6. Step 6: Final answer
    x = 31,175.22

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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.