Home / 37,431.48-56,131.20-12,464.76

Finding the Fourth Proportional to 37,431.48, 56,131.20 and 12,464.76

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Solution

The fourth proportional to 37,431.48, 56,131.20 and 12,464.76 is: 18,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,431.48 : 56,131.20 = 12,464.76 : x
  2. Step 2: Convert to fraction form
    37,431.48/56,131.20 = 12,464.76/x
  3. Step 3: Cross multiply
    37,431.48x = 56,131.20 × 12,464.76
  4. Step 4: Simplify right side
    37,431.48x = 699,661,936.51
  5. Step 5: Solve for x
    x = 699,661,936.51/37,431.48
  6. Step 6: Final answer
    x = 18,691.81

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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.