Home / 37,090.96-55,639.86-12,131.14

Finding the Fourth Proportional to 37,090.96, 55,639.86 and 12,131.14

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Solution

The fourth proportional to 37,090.96, 55,639.86 and 12,131.14 is: 18,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,090.96 : 55,639.86 = 12,131.14 : x
  2. Step 2: Convert to fraction form
    37,090.96/55,639.86 = 12,131.14/x
  3. Step 3: Cross multiply
    37,090.96x = 55,639.86 × 12,131.14
  4. Step 4: Simplify right side
    37,090.96x = 674,974,931.24
  5. Step 5: Solve for x
    x = 674,974,931.24/37,090.96
  6. Step 6: Final answer
    x = 18,197.83

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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.