Home / 39,799.34-54,923.97-21,895.30

Finding the Fourth Proportional to 39,799.34, 54,923.97 and 21,895.30

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Solution

The fourth proportional to 39,799.34, 54,923.97 and 21,895.30 is: 30,216.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,799.34 : 54,923.97 = 21,895.30 : x
  2. Step 2: Convert to fraction form
    39,799.34/54,923.97 = 21,895.30/x
  3. Step 3: Cross multiply
    39,799.34x = 54,923.97 × 21,895.30
  4. Step 4: Simplify right side
    39,799.34x = 1,202,576,800.34
  5. Step 5: Solve for x
    x = 1,202,576,800.34/39,799.34
  6. Step 6: Final answer
    x = 30,216.00

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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.