Home / 30,680.07-46,020.03-8,493.37

Finding the Fourth Proportional to 30,680.07, 46,020.03 and 8,493.37

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Solution

The fourth proportional to 30,680.07, 46,020.03 and 8,493.37 is: 12,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680.07 : 46,020.03 = 8,493.37 : x
  2. Step 2: Convert to fraction form
    30,680.07/46,020.03 = 8,493.37/x
  3. Step 3: Cross multiply
    30,680.07x = 46,020.03 × 8,493.37
  4. Step 4: Simplify right side
    30,680.07x = 390,865,142.20
  5. Step 5: Solve for x
    x = 390,865,142.20/30,680.07
  6. Step 6: Final answer
    x = 12,740.03

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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.