Home / 33,004.11-49,434.45-20,315.19

Finding the Fourth Proportional to 33,004.11, 49,434.45 and 20,315.19

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Solution

The fourth proportional to 33,004.11, 49,434.45 and 20,315.19 is: 30,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,004.11 : 49,434.45 = 20,315.19 : x
  2. Step 2: Convert to fraction form
    33,004.11/49,434.45 = 20,315.19/x
  3. Step 3: Cross multiply
    33,004.11x = 49,434.45 × 20,315.19
  4. Step 4: Simplify right side
    33,004.11x = 1,004,269,997.12
  5. Step 5: Solve for x
    x = 1,004,269,997.12/33,004.11
  6. Step 6: Final answer
    x = 30,428.64

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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.