Home / 30,896.75-42,639.69-17,468.13

Finding the Fourth Proportional to 30,896.75, 42,639.69 and 17,468.13

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Solution

The fourth proportional to 30,896.75, 42,639.69 and 17,468.13 is: 24,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,896.75 : 42,639.69 = 17,468.13 : x
  2. Step 2: Convert to fraction form
    30,896.75/42,639.69 = 17,468.13/x
  3. Step 3: Cross multiply
    30,896.75x = 42,639.69 × 17,468.13
  4. Step 4: Simplify right side
    30,896.75x = 744,835,553.69
  5. Step 5: Solve for x
    x = 744,835,553.69/30,896.75
  6. Step 6: Final answer
    x = 24,107.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.