Home / 53,286.11-79,929.03-50,038.28

Finding the Fourth Proportional to 53,286.11, 79,929.03 and 50,038.28

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Solution

The fourth proportional to 53,286.11, 79,929.03 and 50,038.28 is: 75,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,286.11 : 79,929.03 = 50,038.28 : x
  2. Step 2: Convert to fraction form
    53,286.11/79,929.03 = 50,038.28/x
  3. Step 3: Cross multiply
    53,286.11x = 79,929.03 × 50,038.28
  4. Step 4: Simplify right side
    53,286.11x = 3,999,511,183.27
  5. Step 5: Solve for x
    x = 3,999,511,183.27/53,286.11
  6. Step 6: Final answer
    x = 75,057.29

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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.