Home / 30,980.31-46,470.38-8,793.71

Finding the Fourth Proportional to 30,980.31, 46,470.38 and 8,793.71

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Solution

The fourth proportional to 30,980.31, 46,470.38 and 8,793.71 is: 13,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,980.31 : 46,470.38 = 8,793.71 : x
  2. Step 2: Convert to fraction form
    30,980.31/46,470.38 = 8,793.71/x
  3. Step 3: Cross multiply
    30,980.31x = 46,470.38 × 8,793.71
  4. Step 4: Simplify right side
    30,980.31x = 408,646,907.15
  5. Step 5: Solve for x
    x = 408,646,907.15/30,980.31
  6. Step 6: Final answer
    x = 13,190.54

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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.