Home / 34,735.36-47,928.72-20,591.68

Finding the Fourth Proportional to 34,735.36, 47,928.72 and 20,591.68

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Solution

The fourth proportional to 34,735.36, 47,928.72 and 20,591.68 is: 28,412.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,735.36 : 47,928.72 = 20,591.68 : x
  2. Step 2: Convert to fraction form
    34,735.36/47,928.72 = 20,591.68/x
  3. Step 3: Cross multiply
    34,735.36x = 47,928.72 × 20,591.68
  4. Step 4: Simplify right side
    34,735.36x = 986,932,865.05
  5. Step 5: Solve for x
    x = 986,932,865.05/34,735.36
  6. Step 6: Final answer
    x = 28,412.92

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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.