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Finding the Fourth Proportional to 35,183.99, 48,503.84 and 21,747.62

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Solution

The fourth proportional to 35,183.99, 48,503.84 and 21,747.62 is: 29,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,183.99 : 48,503.84 = 21,747.62 : x
  2. Step 2: Convert to fraction form
    35,183.99/48,503.84 = 21,747.62/x
  3. Step 3: Cross multiply
    35,183.99x = 48,503.84 × 21,747.62
  4. Step 4: Simplify right side
    35,183.99x = 1,054,842,729.60
  5. Step 5: Solve for x
    x = 1,054,842,729.60/35,183.99
  6. Step 6: Final answer
    x = 29,980.76

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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.