Home / 30,980.19-46,470.19-8,793.59

Finding the Fourth Proportional to 30,980.19, 46,470.19 and 8,793.59

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Solution

The fourth proportional to 30,980.19, 46,470.19 and 8,793.59 is: 13,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,980.19 : 46,470.19 = 8,793.59 : x
  2. Step 2: Convert to fraction form
    30,980.19/46,470.19 = 8,793.59/x
  3. Step 3: Cross multiply
    30,980.19x = 46,470.19 × 8,793.59
  4. Step 4: Simplify right side
    30,980.19x = 408,639,543.75
  5. Step 5: Solve for x
    x = 408,639,543.75/30,980.19
  6. Step 6: Final answer
    x = 13,190.35

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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.