Home / 33,938.20-50,931.60-14,230.90

Finding the Fourth Proportional to 33,938.20, 50,931.60 and 14,230.90

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Solution

The fourth proportional to 33,938.20, 50,931.60 and 14,230.90 is: 21,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,938.20 : 50,931.60 = 14,230.90 : x
  2. Step 2: Convert to fraction form
    33,938.20/50,931.60 = 14,230.90/x
  3. Step 3: Cross multiply
    33,938.20x = 50,931.60 × 14,230.90
  4. Step 4: Simplify right side
    33,938.20x = 724,802,506.44
  5. Step 5: Solve for x
    x = 724,802,506.44/33,938.20
  6. Step 6: Final answer
    x = 21,356.54

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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.