Home / 53,947.20-80,834.40-34,190.40

Finding the Fourth Proportional to 53,947.20, 80,834.40 and 34,190.40

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Solution

The fourth proportional to 53,947.20, 80,834.40 and 34,190.40 is: 51,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,947.20 : 80,834.40 = 34,190.40 : x
  2. Step 2: Convert to fraction form
    53,947.20/80,834.40 = 34,190.40/x
  3. Step 3: Cross multiply
    53,947.20x = 80,834.40 × 34,190.40
  4. Step 4: Simplify right side
    53,947.20x = 2,763,760,469.76
  5. Step 5: Solve for x
    x = 2,763,760,469.76/53,947.20
  6. Step 6: Final answer
    x = 51,230.84

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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.