Home / 34,247.38-47,275.93-20,822.92

Finding the Fourth Proportional to 34,247.38, 47,275.93 and 20,822.92

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Solution

The fourth proportional to 34,247.38, 47,275.93 and 20,822.92 is: 28,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,247.38 : 47,275.93 = 20,822.92 : x
  2. Step 2: Convert to fraction form
    34,247.38/47,275.93 = 20,822.92/x
  3. Step 3: Cross multiply
    34,247.38x = 47,275.93 × 20,822.92
  4. Step 4: Simplify right side
    34,247.38x = 984,422,738.07
  5. Step 5: Solve for x
    x = 984,422,738.07/34,247.38
  6. Step 6: Final answer
    x = 28,744.47

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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.