Home / 49,933.71-74,900.77-12,493.68

Finding the Fourth Proportional to 49,933.71, 74,900.77 and 12,493.68

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Solution

The fourth proportional to 49,933.71, 74,900.77 and 12,493.68 is: 18,740.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,933.71 : 74,900.77 = 12,493.68 : x
  2. Step 2: Convert to fraction form
    49,933.71/74,900.77 = 12,493.68/x
  3. Step 3: Cross multiply
    49,933.71x = 74,900.77 × 12,493.68
  4. Step 4: Simplify right side
    49,933.71x = 935,786,361.36
  5. Step 5: Solve for x
    x = 935,786,361.36/49,933.71
  6. Step 6: Final answer
    x = 18,740.57

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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.