Home / 47,168.26-70,740.47-28,198.33

Finding the Fourth Proportional to 47,168.26, 70,740.47 and 28,198.33

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Solution

The fourth proportional to 47,168.26, 70,740.47 and 28,198.33 is: 42,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,168.26 : 70,740.47 = 28,198.33 : x
  2. Step 2: Convert to fraction form
    47,168.26/70,740.47 = 28,198.33/x
  3. Step 3: Cross multiply
    47,168.26x = 70,740.47 × 28,198.33
  4. Step 4: Simplify right side
    47,168.26x = 1,994,763,011.06
  5. Step 5: Solve for x
    x = 1,994,763,011.06/47,168.26
  6. Step 6: Final answer
    x = 42,290.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.