Home / 66,297.24-99,451.32-28,858.56

Finding the Fourth Proportional to 66,297.24, 99,451.32 and 28,858.56

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Solution

The fourth proportional to 66,297.24, 99,451.32 and 28,858.56 is: 43,290.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,297.24 : 99,451.32 = 28,858.56 : x
  2. Step 2: Convert to fraction form
    66,297.24/99,451.32 = 28,858.56/x
  3. Step 3: Cross multiply
    66,297.24x = 99,451.32 × 28,858.56
  4. Step 4: Simplify right side
    66,297.24x = 2,870,021,885.30
  5. Step 5: Solve for x
    x = 2,870,021,885.30/66,297.24
  6. Step 6: Final answer
    x = 43,290.22

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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.