Home / 50,135.12-69,186.48-29,992.86

Finding the Fourth Proportional to 50,135.12, 69,186.48 and 29,992.86

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Solution

The fourth proportional to 50,135.12, 69,186.48 and 29,992.86 is: 41,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,135.12 : 69,186.48 = 29,992.86 : x
  2. Step 2: Convert to fraction form
    50,135.12/69,186.48 = 29,992.86/x
  3. Step 3: Cross multiply
    50,135.12x = 69,186.48 × 29,992.86
  4. Step 4: Simplify right side
    50,135.12x = 2,075,100,408.53
  5. Step 5: Solve for x
    x = 2,075,100,408.53/50,135.12
  6. Step 6: Final answer
    x = 41,390.16

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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.