Home / 37,080.74-55,616.47-12,118.70

Finding the Fourth Proportional to 37,080.74, 55,616.47 and 12,118.70

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Solution

The fourth proportional to 37,080.74, 55,616.47 and 12,118.70 is: 18,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,080.74 : 55,616.47 = 12,118.70 : x
  2. Step 2: Convert to fraction form
    37,080.74/55,616.47 = 12,118.70/x
  3. Step 3: Cross multiply
    37,080.74x = 55,616.47 × 12,118.70
  4. Step 4: Simplify right side
    37,080.74x = 673,999,314.99
  5. Step 5: Solve for x
    x = 673,999,314.99/37,080.74
  6. Step 6: Final answer
    x = 18,176.53

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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.