Home / 30,774.92-46,143.90-12,032.61

Finding the Fourth Proportional to 30,774.92, 46,143.90 and 12,032.61

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Solution

The fourth proportional to 30,774.92, 46,143.90 and 12,032.61 is: 18,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,774.92 : 46,143.90 = 12,032.61 : x
  2. Step 2: Convert to fraction form
    30,774.92/46,143.90 = 12,032.61/x
  3. Step 3: Cross multiply
    30,774.92x = 46,143.90 × 12,032.61
  4. Step 4: Simplify right side
    30,774.92x = 555,231,552.58
  5. Step 5: Solve for x
    x = 555,231,552.58/30,774.92
  6. Step 6: Final answer
    x = 18,041.69

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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.