Home / 37,629.19-56,408.47-12,651.78

Finding the Fourth Proportional to 37,629.19, 56,408.47 and 12,651.78

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Solution

The fourth proportional to 37,629.19, 56,408.47 and 12,651.78 is: 18,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,629.19 : 56,408.47 = 12,651.78 : x
  2. Step 2: Convert to fraction form
    37,629.19/56,408.47 = 12,651.78/x
  3. Step 3: Cross multiply
    37,629.19x = 56,408.47 × 12,651.78
  4. Step 4: Simplify right side
    37,629.19x = 713,667,732.48
  5. Step 5: Solve for x
    x = 713,667,732.48/37,629.19
  6. Step 6: Final answer
    x = 18,965.80

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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.