Home / 33,189.21-49,666.83-20,715.08

Finding the Fourth Proportional to 33,189.21, 49,666.83 and 20,715.08

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Solution

The fourth proportional to 33,189.21, 49,666.83 and 20,715.08 is: 30,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,189.21 : 49,666.83 = 20,715.08 : x
  2. Step 2: Convert to fraction form
    33,189.21/49,666.83 = 20,715.08/x
  3. Step 3: Cross multiply
    33,189.21x = 49,666.83 × 20,715.08
  4. Step 4: Simplify right side
    33,189.21x = 1,028,852,356.80
  5. Step 5: Solve for x
    x = 1,028,852,356.80/33,189.21
  6. Step 6: Final answer
    x = 30,999.60

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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.