Home / 76,352.78-114,573.83-31,975.80

Finding the Fourth Proportional to 76,352.78, 114,573.83 and 31,975.80

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Solution

The fourth proportional to 76,352.78, 114,573.83 and 31,975.80 is: 47,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,352.78 : 114,573.83 = 31,975.80 : x
  2. Step 2: Convert to fraction form
    76,352.78/114,573.83 = 31,975.80/x
  3. Step 3: Cross multiply
    76,352.78x = 114,573.83 × 31,975.80
  4. Step 4: Simplify right side
    76,352.78x = 3,663,589,713.44
  5. Step 5: Solve for x
    x = 3,663,589,713.44/76,352.78
  6. Step 6: Final answer
    x = 47,982.40

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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.