Home / 30,181.96-45,255.66-11,692.36

Finding the Fourth Proportional to 30,181.96, 45,255.66 and 11,692.36

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Solution

The fourth proportional to 30,181.96, 45,255.66 and 11,692.36 is: 17,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.96 : 45,255.66 = 11,692.36 : x
  2. Step 2: Convert to fraction form
    30,181.96/45,255.66 = 11,692.36/x
  3. Step 3: Cross multiply
    30,181.96x = 45,255.66 × 11,692.36
  4. Step 4: Simplify right side
    30,181.96x = 529,145,468.76
  5. Step 5: Solve for x
    x = 529,145,468.76/30,181.96
  6. Step 6: Final answer
    x = 17,531.85

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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.