Home / 37,431.54-56,156.15-12,131.01

Finding the Fourth Proportional to 37,431.54, 56,156.15 and 12,131.01

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Solution

The fourth proportional to 37,431.54, 56,156.15 and 12,131.01 is: 18,199.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,431.54 : 56,156.15 = 12,131.01 : x
  2. Step 2: Convert to fraction form
    37,431.54/56,156.15 = 12,131.01/x
  3. Step 3: Cross multiply
    37,431.54x = 56,156.15 × 12,131.01
  4. Step 4: Simplify right side
    37,431.54x = 681,230,847.54
  5. Step 5: Solve for x
    x = 681,230,847.54/37,431.54
  6. Step 6: Final answer
    x = 18,199.38

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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.