Home / 69,867.12-104,804.52-20,622.96

Finding the Fourth Proportional to 69,867.12, 104,804.52 and 20,622.96

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Solution

The fourth proportional to 69,867.12, 104,804.52 and 20,622.96 is: 30,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,867.12 : 104,804.52 = 20,622.96 : x
  2. Step 2: Convert to fraction form
    69,867.12/104,804.52 = 20,622.96/x
  3. Step 3: Cross multiply
    69,867.12x = 104,804.52 × 20,622.96
  4. Step 4: Simplify right side
    69,867.12x = 2,161,379,423.78
  5. Step 5: Solve for x
    x = 2,161,379,423.78/69,867.12
  6. Step 6: Final answer
    x = 30,935.57

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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.