Home / 50,068.28-75,130.09-20,506.86

Finding the Fourth Proportional to 50,068.28, 75,130.09 and 20,506.86

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Solution

The fourth proportional to 50,068.28, 75,130.09 and 20,506.86 is: 30,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,068.28 : 75,130.09 = 20,506.86 : x
  2. Step 2: Convert to fraction form
    50,068.28/75,130.09 = 20,506.86/x
  3. Step 3: Cross multiply
    50,068.28x = 75,130.09 × 20,506.86
  4. Step 4: Simplify right side
    50,068.28x = 1,540,682,237.42
  5. Step 5: Solve for x
    x = 1,540,682,237.42/50,068.28
  6. Step 6: Final answer
    x = 30,771.62

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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.