Home / 30,999.38-46,499.09-10,222.88

Finding the Fourth Proportional to 30,999.38, 46,499.09 and 10,222.88

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Solution

The fourth proportional to 30,999.38, 46,499.09 and 10,222.88 is: 15,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,999.38 : 46,499.09 = 10,222.88 : x
  2. Step 2: Convert to fraction form
    30,999.38/46,499.09 = 10,222.88/x
  3. Step 3: Cross multiply
    30,999.38x = 46,499.09 × 10,222.88
  4. Step 4: Simplify right side
    30,999.38x = 475,354,333.57
  5. Step 5: Solve for x
    x = 475,354,333.57/30,999.38
  6. Step 6: Final answer
    x = 15,334.32

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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.