Home / 55,556.67-83,313.73-20,007.80

Finding the Fourth Proportional to 55,556.67, 83,313.73 and 20,007.80

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Solution

The fourth proportional to 55,556.67, 83,313.73 and 20,007.80 is: 30,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,556.67 : 83,313.73 = 20,007.80 : x
  2. Step 2: Convert to fraction form
    55,556.67/83,313.73 = 20,007.80/x
  3. Step 3: Cross multiply
    55,556.67x = 83,313.73 × 20,007.80
  4. Step 4: Simplify right side
    55,556.67x = 1,666,924,447.09
  5. Step 5: Solve for x
    x = 1,666,924,447.09/55,556.67
  6. Step 6: Final answer
    x = 30,004.04

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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.