Home / 33,075.46-49,612.81-8,115.27

Finding the Fourth Proportional to 33,075.46, 49,612.81 and 8,115.27

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Solution

The fourth proportional to 33,075.46, 49,612.81 and 8,115.27 is: 12,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,075.46 : 49,612.81 = 8,115.27 : x
  2. Step 2: Convert to fraction form
    33,075.46/49,612.81 = 8,115.27/x
  3. Step 3: Cross multiply
    33,075.46x = 49,612.81 × 8,115.27
  4. Step 4: Simplify right side
    33,075.46x = 402,621,348.61
  5. Step 5: Solve for x
    x = 402,621,348.61/33,075.46
  6. Step 6: Final answer
    x = 12,172.81

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1.5x scale

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.