Home / 50,301.60-75,452.40-20,709.60

Finding the Fourth Proportional to 50,301.60, 75,452.40 and 20,709.60

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Solution

The fourth proportional to 50,301.60, 75,452.40 and 20,709.60 is: 31,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,301.60 : 75,452.40 = 20,709.60 : x
  2. Step 2: Convert to fraction form
    50,301.60/75,452.40 = 20,709.60/x
  3. Step 3: Cross multiply
    50,301.60x = 75,452.40 × 20,709.60
  4. Step 4: Simplify right side
    50,301.60x = 1,562,589,023.04
  5. Step 5: Solve for x
    x = 1,562,589,023.04/50,301.60
  6. Step 6: Final answer
    x = 31,064.40

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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.