Home / 30,241.08-45,375.39-15,442.38

Finding the Fourth Proportional to 30,241.08, 45,375.39 and 15,442.38

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Solution

The fourth proportional to 30,241.08, 45,375.39 and 15,442.38 is: 23,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.08 : 45,375.39 = 15,442.38 : x
  2. Step 2: Convert to fraction form
    30,241.08/45,375.39 = 15,442.38/x
  3. Step 3: Cross multiply
    30,241.08x = 45,375.39 × 15,442.38
  4. Step 4: Simplify right side
    30,241.08x = 700,704,015.03
  5. Step 5: Solve for x
    x = 700,704,015.03/30,241.08
  6. Step 6: Final answer
    x = 23,170.60

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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.