Home / 49,945.56-74,918.07-20,363.28

Finding the Fourth Proportional to 49,945.56, 74,918.07 and 20,363.28

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Solution

The fourth proportional to 49,945.56, 74,918.07 and 20,363.28 is: 30,544.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,945.56 : 74,918.07 = 20,363.28 : x
  2. Step 2: Convert to fraction form
    49,945.56/74,918.07 = 20,363.28/x
  3. Step 3: Cross multiply
    49,945.56x = 74,918.07 × 20,363.28
  4. Step 4: Simplify right side
    49,945.56x = 1,525,577,636.47
  5. Step 5: Solve for x
    x = 1,525,577,636.47/49,945.56
  6. Step 6: Final answer
    x = 30,544.81

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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.