Home / 37,040.70-55,561.62-12,080.64

Finding the Fourth Proportional to 37,040.70, 55,561.62 and 12,080.64

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Solution

The fourth proportional to 37,040.70, 55,561.62 and 12,080.64 is: 18,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,040.70 : 55,561.62 = 12,080.64 : x
  2. Step 2: Convert to fraction form
    37,040.70/55,561.62 = 12,080.64/x
  3. Step 3: Cross multiply
    37,040.70x = 55,561.62 × 12,080.64
  4. Step 4: Simplify right side
    37,040.70x = 671,219,929.04
  5. Step 5: Solve for x
    x = 671,219,929.04/37,040.70
  6. Step 6: Final answer
    x = 18,121.15

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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.