Home / 50,785.37-70,078.06-28,118.67

Finding the Fourth Proportional to 50,785.37, 70,078.06 and 28,118.67

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Solution

The fourth proportional to 50,785.37, 70,078.06 and 28,118.67 is: 38,800.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,785.37 : 70,078.06 = 28,118.67 : x
  2. Step 2: Convert to fraction form
    50,785.37/70,078.06 = 28,118.67/x
  3. Step 3: Cross multiply
    50,785.37x = 70,078.06 × 28,118.67
  4. Step 4: Simplify right side
    50,785.37x = 1,970,501,843.38
  5. Step 5: Solve for x
    x = 1,970,501,843.38/50,785.37
  6. Step 6: Final answer
    x = 38,800.58

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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.