Home / 74,885.82-112,231.77-30,460.62

Finding the Fourth Proportional to 74,885.82, 112,231.77 and 30,460.62

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Solution

The fourth proportional to 74,885.82, 112,231.77 and 30,460.62 is: 45,651.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,885.82 : 112,231.77 = 30,460.62 : x
  2. Step 2: Convert to fraction form
    74,885.82/112,231.77 = 30,460.62/x
  3. Step 3: Cross multiply
    74,885.82x = 112,231.77 × 30,460.62
  4. Step 4: Simplify right side
    74,885.82x = 3,418,649,297.90
  5. Step 5: Solve for x
    x = 3,418,649,297.90/74,885.82
  6. Step 6: Final answer
    x = 45,651.49

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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.