Home / 35,861.12-49,488-19,944.80

Finding the Fourth Proportional to 35,861.12, 49,488 and 19,944.80

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Solution

The fourth proportional to 35,861.12, 49,488 and 19,944.80 is: 27,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,861.12 : 49,488 = 19,944.80 : x
  2. Step 2: Convert to fraction form
    35,861.12/49,488 = 19,944.80/x
  3. Step 3: Cross multiply
    35,861.12x = 49,488 × 19,944.80
  4. Step 4: Simplify right side
    35,861.12x = 987,028,262.40
  5. Step 5: Solve for x
    x = 987,028,262.40/35,861.12
  6. Step 6: Final answer
    x = 27,523.63

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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.