Home / 30,756.84-46,133.88-8,571.36

Finding the Fourth Proportional to 30,756.84, 46,133.88 and 8,571.36

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Solution

The fourth proportional to 30,756.84, 46,133.88 and 8,571.36 is: 12,856.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,756.84 : 46,133.88 = 8,571.36 : x
  2. Step 2: Convert to fraction form
    30,756.84/46,133.88 = 8,571.36/x
  3. Step 3: Cross multiply
    30,756.84x = 46,133.88 × 8,571.36
  4. Step 4: Simplify right side
    30,756.84x = 395,430,093.68
  5. Step 5: Solve for x
    x = 395,430,093.68/30,756.84
  6. Step 6: Final answer
    x = 12,856.66

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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.