Home / 69,776.24-104,560.47-30,311.82

Finding the Fourth Proportional to 69,776.24, 104,560.47 and 30,311.82

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Solution

The fourth proportional to 69,776.24, 104,560.47 and 30,311.82 is: 45,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,776.24 : 104,560.47 = 30,311.82 : x
  2. Step 2: Convert to fraction form
    69,776.24/104,560.47 = 30,311.82/x
  3. Step 3: Cross multiply
    69,776.24x = 104,560.47 × 30,311.82
  4. Step 4: Simplify right side
    69,776.24x = 3,169,418,145.76
  5. Step 5: Solve for x
    x = 3,169,418,145.76/69,776.24
  6. Step 6: Final answer
    x = 45,422.60

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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.