Home / 49,986.96-75,010.48-19,995.84

Finding the Fourth Proportional to 49,986.96, 75,010.48 and 19,995.84

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Solution

The fourth proportional to 49,986.96, 75,010.48 and 19,995.84 is: 30,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,986.96 : 75,010.48 = 19,995.84 : x
  2. Step 2: Convert to fraction form
    49,986.96/75,010.48 = 19,995.84/x
  3. Step 3: Cross multiply
    49,986.96x = 75,010.48 × 19,995.84
  4. Step 4: Simplify right side
    49,986.96x = 1,499,897,556.40
  5. Step 5: Solve for x
    x = 1,499,897,556.40/49,986.96
  6. Step 6: Final answer
    x = 30,005.78

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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.