Home / 34,634.86-47,790.04-20,482.54

Finding the Fourth Proportional to 34,634.86, 47,790.04 and 20,482.54

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Solution

The fourth proportional to 34,634.86, 47,790.04 and 20,482.54 is: 28,262.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,634.86 : 47,790.04 = 20,482.54 : x
  2. Step 2: Convert to fraction form
    34,634.86/47,790.04 = 20,482.54/x
  3. Step 3: Cross multiply
    34,634.86x = 47,790.04 × 20,482.54
  4. Step 4: Simplify right side
    34,634.86x = 978,861,405.90
  5. Step 5: Solve for x
    x = 978,861,405.90/34,634.86
  6. Step 6: Final answer
    x = 28,262.32

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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.