Home / 31,769.94-47,661.84-12,048.69

Finding the Fourth Proportional to 31,769.94, 47,661.84 and 12,048.69

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Solution

The fourth proportional to 31,769.94, 47,661.84 and 12,048.69 is: 18,075.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,769.94 : 47,661.84 = 12,048.69 : x
  2. Step 2: Convert to fraction form
    31,769.94/47,661.84 = 12,048.69/x
  3. Step 3: Cross multiply
    31,769.94x = 47,661.84 × 12,048.69
  4. Step 4: Simplify right side
    31,769.94x = 574,262,734.99
  5. Step 5: Solve for x
    x = 574,262,734.99/31,769.94
  6. Step 6: Final answer
    x = 18,075.66

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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.