Home / 69,708.24-104,503.58-30,235.64

Finding the Fourth Proportional to 69,708.24, 104,503.58 and 30,235.64

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Solution

The fourth proportional to 69,708.24, 104,503.58 and 30,235.64 is: 45,327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,708.24 : 104,503.58 = 30,235.64 : x
  2. Step 2: Convert to fraction form
    69,708.24/104,503.58 = 30,235.64/x
  3. Step 3: Cross multiply
    69,708.24x = 104,503.58 × 30,235.64
  4. Step 4: Simplify right side
    69,708.24x = 3,159,732,437.92
  5. Step 5: Solve for x
    x = 3,159,732,437.92/69,708.24
  6. Step 6: Final answer
    x = 45,327.96

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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.