Home / 34,351.35-47,409.26-20,205.51

Finding the Fourth Proportional to 34,351.35, 47,409.26 and 20,205.51

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Solution

The fourth proportional to 34,351.35, 47,409.26 and 20,205.51 is: 27,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,351.35 : 47,409.26 = 20,205.51 : x
  2. Step 2: Convert to fraction form
    34,351.35/47,409.26 = 20,205.51/x
  3. Step 3: Cross multiply
    34,351.35x = 47,409.26 × 20,205.51
  4. Step 4: Simplify right side
    34,351.35x = 957,928,176.00
  5. Step 5: Solve for x
    x = 957,928,176.00/34,351.35
  6. Step 6: Final answer
    x = 27,886.19

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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.