Home / 34,247.00-47,275.41-20,822.54

Finding the Fourth Proportional to 34,247.00, 47,275.41 and 20,822.54

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Solution

The fourth proportional to 34,247.00, 47,275.41 and 20,822.54 is: 28,743.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,247.00 : 47,275.41 = 20,822.54 : x
  2. Step 2: Convert to fraction form
    34,247.00/47,275.41 = 20,822.54/x
  3. Step 3: Cross multiply
    34,247.00x = 47,275.41 × 20,822.54
  4. Step 4: Simplify right side
    34,247.00x = 984,394,106.25
  5. Step 5: Solve for x
    x = 984,394,106.25/34,247.00
  6. Step 6: Final answer
    x = 28,743.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.