Home / 74,535.33-111,803.78-21,945.81

Finding the Fourth Proportional to 74,535.33, 111,803.78 and 21,945.81

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Solution

The fourth proportional to 74,535.33, 111,803.78 and 21,945.81 is: 32,918.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,535.33 : 111,803.78 = 21,945.81 : x
  2. Step 2: Convert to fraction form
    74,535.33/111,803.78 = 21,945.81/x
  3. Step 3: Cross multiply
    74,535.33x = 111,803.78 × 21,945.81
  4. Step 4: Simplify right side
    74,535.33x = 2,453,624,403.43
  5. Step 5: Solve for x
    x = 2,453,624,403.43/74,535.33
  6. Step 6: Final answer
    x = 32,918.94

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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.