Home / 50,630.16-75,945.20-39,520.20

Finding the Fourth Proportional to 50,630.16, 75,945.20 and 39,520.20

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Solution

The fourth proportional to 50,630.16, 75,945.20 and 39,520.20 is: 59,280.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,630.16 : 75,945.20 = 39,520.20 : x
  2. Step 2: Convert to fraction form
    50,630.16/75,945.20 = 39,520.20/x
  3. Step 3: Cross multiply
    50,630.16x = 75,945.20 × 39,520.20
  4. Step 4: Simplify right side
    50,630.16x = 3,001,369,493.04
  5. Step 5: Solve for x
    x = 3,001,369,493.04/50,630.16
  6. Step 6: Final answer
    x = 59,280.27

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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.