Home / 50,388.37-75,610.40-20,799.28

Finding the Fourth Proportional to 50,388.37, 75,610.40 and 20,799.28

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Solution

The fourth proportional to 50,388.37, 75,610.40 and 20,799.28 is: 31,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,388.37 : 75,610.40 = 20,799.28 : x
  2. Step 2: Convert to fraction form
    50,388.37/75,610.40 = 20,799.28/x
  3. Step 3: Cross multiply
    50,388.37x = 75,610.40 × 20,799.28
  4. Step 4: Simplify right side
    50,388.37x = 1,572,641,958.78
  5. Step 5: Solve for x
    x = 1,572,641,958.78/50,388.37
  6. Step 6: Final answer
    x = 31,210.42

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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.