Home / 37,321.44-55,990.07-12,360.18

Finding the Fourth Proportional to 37,321.44, 55,990.07 and 12,360.18

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Solution

The fourth proportional to 37,321.44, 55,990.07 and 12,360.18 is: 18,542.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,321.44 : 55,990.07 = 12,360.18 : x
  2. Step 2: Convert to fraction form
    37,321.44/55,990.07 = 12,360.18/x
  3. Step 3: Cross multiply
    37,321.44x = 55,990.07 × 12,360.18
  4. Step 4: Simplify right side
    37,321.44x = 692,047,281.61
  5. Step 5: Solve for x
    x = 692,047,281.61/37,321.44
  6. Step 6: Final answer
    x = 18,542.89

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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.