Home / 35,375.10-48,821.21-20,269.76

Finding the Fourth Proportional to 35,375.10, 48,821.21 and 20,269.76

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Solution

The fourth proportional to 35,375.10, 48,821.21 and 20,269.76 is: 27,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,375.10 : 48,821.21 = 20,269.76 : x
  2. Step 2: Convert to fraction form
    35,375.10/48,821.21 = 20,269.76/x
  3. Step 3: Cross multiply
    35,375.10x = 48,821.21 × 20,269.76
  4. Step 4: Simplify right side
    35,375.10x = 989,593,864.15
  5. Step 5: Solve for x
    x = 989,593,864.15/35,375.10
  6. Step 6: Final answer
    x = 27,974.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.