Home / 47,163.39-70,626.79-28,176.32

Finding the Fourth Proportional to 47,163.39, 70,626.79 and 28,176.32

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Solution

The fourth proportional to 47,163.39, 70,626.79 and 28,176.32 is: 42,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,163.39 : 70,626.79 = 28,176.32 : x
  2. Step 2: Convert to fraction form
    47,163.39/70,626.79 = 28,176.32/x
  3. Step 3: Cross multiply
    47,163.39x = 70,626.79 × 28,176.32
  4. Step 4: Simplify right side
    47,163.39x = 1,990,003,035.61
  5. Step 5: Solve for x
    x = 1,990,003,035.61/47,163.39
  6. Step 6: Final answer
    x = 42,193.81

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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.