Home / 34,051.20-51,163.20-30,249.60

Finding the Fourth Proportional to 34,051.20, 51,163.20 and 30,249.60

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Solution

The fourth proportional to 34,051.20, 51,163.20 and 30,249.60 is: 45,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,051.20 : 51,163.20 = 30,249.60 : x
  2. Step 2: Convert to fraction form
    34,051.20/51,163.20 = 30,249.60/x
  3. Step 3: Cross multiply
    34,051.20x = 51,163.20 × 30,249.60
  4. Step 4: Simplify right side
    34,051.20x = 1,547,666,334.72
  5. Step 5: Solve for x
    x = 1,547,666,334.72/34,051.20
  6. Step 6: Final answer
    x = 45,451.15

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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.