Home / 30,828.18-46,243.87-9,770.46

Finding the Fourth Proportional to 30,828.18, 46,243.87 and 9,770.46

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Solution

The fourth proportional to 30,828.18, 46,243.87 and 9,770.46 is: 14,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,828.18 : 46,243.87 = 9,770.46 : x
  2. Step 2: Convert to fraction form
    30,828.18/46,243.87 = 9,770.46/x
  3. Step 3: Cross multiply
    30,828.18x = 46,243.87 × 9,770.46
  4. Step 4: Simplify right side
    30,828.18x = 451,823,882.08
  5. Step 5: Solve for x
    x = 451,823,882.08/30,828.18
  6. Step 6: Final answer
    x = 14,656.20

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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.