Home / 57,361.96-79,137.37-42,290.44

Finding the Fourth Proportional to 57,361.96, 79,137.37 and 42,290.44

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Solution

The fourth proportional to 57,361.96, 79,137.37 and 42,290.44 is: 58,344.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,361.96 : 79,137.37 = 42,290.44 : x
  2. Step 2: Convert to fraction form
    57,361.96/79,137.37 = 42,290.44/x
  3. Step 3: Cross multiply
    57,361.96x = 79,137.37 × 42,290.44
  4. Step 4: Simplify right side
    57,361.96x = 3,346,754,197.74
  5. Step 5: Solve for x
    x = 3,346,754,197.74/57,361.96
  6. Step 6: Final answer
    x = 58,344.49

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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.