Home / 30,731.99-46,087.72-12,007.17

Finding the Fourth Proportional to 30,731.99, 46,087.72 and 12,007.17

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Solution

The fourth proportional to 30,731.99, 46,087.72 and 12,007.17 is: 18,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731.99 : 46,087.72 = 12,007.17 : x
  2. Step 2: Convert to fraction form
    30,731.99/46,087.72 = 12,007.17/x
  3. Step 3: Cross multiply
    30,731.99x = 46,087.72 × 12,007.17
  4. Step 4: Simplify right side
    30,731.99x = 553,383,088.95
  5. Step 5: Solve for x
    x = 553,383,088.95/30,731.99
  6. Step 6: Final answer
    x = 18,006.74

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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.