Home / 50,381.28-75,568.86-18,785.21

Finding the Fourth Proportional to 50,381.28, 75,568.86 and 18,785.21

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Solution

The fourth proportional to 50,381.28, 75,568.86 and 18,785.21 is: 28,176.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,381.28 : 75,568.86 = 18,785.21 : x
  2. Step 2: Convert to fraction form
    50,381.28/75,568.86 = 18,785.21/x
  3. Step 3: Cross multiply
    50,381.28x = 75,568.86 × 18,785.21
  4. Step 4: Simplify right side
    50,381.28x = 1,419,576,526.72
  5. Step 5: Solve for x
    x = 1,419,576,526.72/50,381.28
  6. Step 6: Final answer
    x = 28,176.67

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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.