Home / 51,743.84-71,390.44-30,218.05

Finding the Fourth Proportional to 51,743.84, 71,390.44 and 30,218.05

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Solution

The fourth proportional to 51,743.84, 71,390.44 and 30,218.05 is: 41,691.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,743.84 : 71,390.44 = 30,218.05 : x
  2. Step 2: Convert to fraction form
    51,743.84/71,390.44 = 30,218.05/x
  3. Step 3: Cross multiply
    51,743.84x = 71,390.44 × 30,218.05
  4. Step 4: Simplify right side
    51,743.84x = 2,157,279,885.44
  5. Step 5: Solve for x
    x = 2,157,279,885.44/51,743.84
  6. Step 6: Final answer
    x = 41,691.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.