Home / 37,075.12-55,601.06-12,109.48

Finding the Fourth Proportional to 37,075.12, 55,601.06 and 12,109.48

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Solution

The fourth proportional to 37,075.12, 55,601.06 and 12,109.48 is: 18,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,075.12 : 55,601.06 = 12,109.48 : x
  2. Step 2: Convert to fraction form
    37,075.12/55,601.06 = 12,109.48/x
  3. Step 3: Cross multiply
    37,075.12x = 55,601.06 × 12,109.48
  4. Step 4: Simplify right side
    37,075.12x = 673,299,924.05
  5. Step 5: Solve for x
    x = 673,299,924.05/37,075.12
  6. Step 6: Final answer
    x = 18,160.42

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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.