Home / 45,742.44-68,613.60-30,046.56

Finding the Fourth Proportional to 45,742.44, 68,613.60 and 30,046.56

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Solution

The fourth proportional to 45,742.44, 68,613.60 and 30,046.56 is: 45,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,742.44 : 68,613.60 = 30,046.56 : x
  2. Step 2: Convert to fraction form
    45,742.44/68,613.60 = 30,046.56/x
  3. Step 3: Cross multiply
    45,742.44x = 68,613.60 × 30,046.56
  4. Step 4: Simplify right side
    45,742.44x = 2,061,602,649.22
  5. Step 5: Solve for x
    x = 2,061,602,649.22/45,742.44
  6. Step 6: Final answer
    x = 45,069.80

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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.