Home / 30,993.12-46,470.96-12,503.52

Finding the Fourth Proportional to 30,993.12, 46,470.96 and 12,503.52

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Solution

The fourth proportional to 30,993.12, 46,470.96 and 12,503.52 is: 18,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,993.12 : 46,470.96 = 12,503.52 : x
  2. Step 2: Convert to fraction form
    30,993.12/46,470.96 = 12,503.52/x
  3. Step 3: Cross multiply
    30,993.12x = 46,470.96 × 12,503.52
  4. Step 4: Simplify right side
    30,993.12x = 581,050,577.78
  5. Step 5: Solve for x
    x = 581,050,577.78/30,993.12
  6. Step 6: Final answer
    x = 18,747.73

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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.