Home / 36,075.84-49,783.74-20,160.42

Finding the Fourth Proportional to 36,075.84, 49,783.74 and 20,160.42

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Solution

The fourth proportional to 36,075.84, 49,783.74 and 20,160.42 is: 27,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,075.84 : 49,783.74 = 20,160.42 : x
  2. Step 2: Convert to fraction form
    36,075.84/49,783.74 = 20,160.42/x
  3. Step 3: Cross multiply
    36,075.84x = 49,783.74 × 20,160.42
  4. Step 4: Simplify right side
    36,075.84x = 1,003,661,107.57
  5. Step 5: Solve for x
    x = 1,003,661,107.57/36,075.84
  6. Step 6: Final answer
    x = 27,820.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.