Home / 30,202.11-41,692.86-18,108.32

Finding the Fourth Proportional to 30,202.11, 41,692.86 and 18,108.32

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Solution

The fourth proportional to 30,202.11, 41,692.86 and 18,108.32 is: 24,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,202.11 : 41,692.86 = 18,108.32 : x
  2. Step 2: Convert to fraction form
    30,202.11/41,692.86 = 18,108.32/x
  3. Step 3: Cross multiply
    30,202.11x = 41,692.86 × 18,108.32
  4. Step 4: Simplify right side
    30,202.11x = 754,987,442.13
  5. Step 5: Solve for x
    x = 754,987,442.13/30,202.11
  6. Step 6: Final answer
    x = 24,997.84

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1.5x scale

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.