Home / 35,890.80-49,523.40-19,974.84

Finding the Fourth Proportional to 35,890.80, 49,523.40 and 19,974.84

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Solution

The fourth proportional to 35,890.80, 49,523.40 and 19,974.84 is: 27,561.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,890.80 : 49,523.40 = 19,974.84 : x
  2. Step 2: Convert to fraction form
    35,890.80/49,523.40 = 19,974.84/x
  3. Step 3: Cross multiply
    35,890.80x = 49,523.40 × 19,974.84
  4. Step 4: Simplify right side
    35,890.80x = 989,221,991.26
  5. Step 5: Solve for x
    x = 989,221,991.26/35,890.80
  6. Step 6: Final answer
    x = 27,561.99

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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.