Home / 32,949.20-49,356.60-20,430.80

Finding the Fourth Proportional to 32,949.20, 49,356.60 and 20,430.80

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Solution

The fourth proportional to 32,949.20, 49,356.60 and 20,430.80 is: 30,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,949.20 : 49,356.60 = 20,430.80 : x
  2. Step 2: Convert to fraction form
    32,949.20/49,356.60 = 20,430.80/x
  3. Step 3: Cross multiply
    32,949.20x = 49,356.60 × 20,430.80
  4. Step 4: Simplify right side
    32,949.20x = 1,008,394,823.28
  5. Step 5: Solve for x
    x = 1,008,394,823.28/32,949.20
  6. Step 6: Final answer
    x = 30,604.53

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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.