Home / 50,278.87-75,418.40-20,676.03

Finding the Fourth Proportional to 50,278.87, 75,418.40 and 20,676.03

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Solution

The fourth proportional to 50,278.87, 75,418.40 and 20,676.03 is: 31,014.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,278.87 : 75,418.40 = 20,676.03 : x
  2. Step 2: Convert to fraction form
    50,278.87/75,418.40 = 20,676.03/x
  3. Step 3: Cross multiply
    50,278.87x = 75,418.40 × 20,676.03
  4. Step 4: Simplify right side
    50,278.87x = 1,559,353,100.95
  5. Step 5: Solve for x
    x = 1,559,353,100.95/50,278.87
  6. Step 6: Final answer
    x = 31,014.08

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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.