Home / 47,600.08-65,695.34-30,379.88

Finding the Fourth Proportional to 47,600.08, 65,695.34 and 30,379.88

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Solution

The fourth proportional to 47,600.08, 65,695.34 and 30,379.88 is: 41,928.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,600.08 : 65,695.34 = 30,379.88 : x
  2. Step 2: Convert to fraction form
    47,600.08/65,695.34 = 30,379.88/x
  3. Step 3: Cross multiply
    47,600.08x = 65,695.34 × 30,379.88
  4. Step 4: Simplify right side
    47,600.08x = 1,995,816,293.23
  5. Step 5: Solve for x
    x = 1,995,816,293.23/47,600.08
  6. Step 6: Final answer
    x = 41,928.84

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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.