Home / 47,378.44-65,365.62-28,253.32

Finding the Fourth Proportional to 47,378.44, 65,365.62 and 28,253.32

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Solution

The fourth proportional to 47,378.44, 65,365.62 and 28,253.32 is: 38,979.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,378.44 : 65,365.62 = 28,253.32 : x
  2. Step 2: Convert to fraction form
    47,378.44/65,365.62 = 28,253.32/x
  3. Step 3: Cross multiply
    47,378.44x = 65,365.62 × 28,253.32
  4. Step 4: Simplify right side
    47,378.44x = 1,846,795,778.86
  5. Step 5: Solve for x
    x = 1,846,795,778.86/47,378.44
  6. Step 6: Final answer
    x = 38,979.67

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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.