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Finding the Fourth Proportional to 30,617.62, 45,912.59 and 10,896.69

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Solution

The fourth proportional to 30,617.62, 45,912.59 and 10,896.69 is: 16,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,617.62 : 45,912.59 = 10,896.69 : x
  2. Step 2: Convert to fraction form
    30,617.62/45,912.59 = 10,896.69/x
  3. Step 3: Cross multiply
    30,617.62x = 45,912.59 × 10,896.69
  4. Step 4: Simplify right side
    30,617.62x = 500,295,248.17
  5. Step 5: Solve for x
    x = 500,295,248.17/30,617.62
  6. Step 6: Final answer
    x = 16,340.11

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1.5x scale

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.