Home / 30,929.69-46,363.20-12,222.96

Finding the Fourth Proportional to 30,929.69, 46,363.20 and 12,222.96

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Solution

The fourth proportional to 30,929.69, 46,363.20 and 12,222.96 is: 18,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,929.69 : 46,363.20 = 12,222.96 : x
  2. Step 2: Convert to fraction form
    30,929.69/46,363.20 = 12,222.96/x
  3. Step 3: Cross multiply
    30,929.69x = 46,363.20 × 12,222.96
  4. Step 4: Simplify right side
    30,929.69x = 566,695,539.07
  5. Step 5: Solve for x
    x = 566,695,539.07/30,929.69
  6. Step 6: Final answer
    x = 18,322.06

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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.