Home / 30,241.70-45,356.62-28,741.44

Finding the Fourth Proportional to 30,241.70, 45,356.62 and 28,741.44

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Solution

The fourth proportional to 30,241.70, 45,356.62 and 28,741.44 is: 43,106.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.70 : 45,356.62 = 28,741.44 : x
  2. Step 2: Convert to fraction form
    30,241.70/45,356.62 = 28,741.44/x
  3. Step 3: Cross multiply
    30,241.70x = 45,356.62 × 28,741.44
  4. Step 4: Simplify right side
    30,241.70x = 1,303,614,572.33
  5. Step 5: Solve for x
    x = 1,303,614,572.33/30,241.70
  6. Step 6: Final answer
    x = 43,106.52

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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.