Home / 29,738.88-41,040-18,567.36

Finding the Fourth Proportional to 29,738.88, 41,040 and 18,567.36

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Solution

The fourth proportional to 29,738.88, 41,040 and 18,567.36 is: 25,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,738.88 : 41,040 = 18,567.36 : x
  2. Step 2: Convert to fraction form
    29,738.88/41,040 = 18,567.36/x
  3. Step 3: Cross multiply
    29,738.88x = 41,040 × 18,567.36
  4. Step 4: Simplify right side
    29,738.88x = 762,004,454.40
  5. Step 5: Solve for x
    x = 762,004,454.40/29,738.88
  6. Step 6: Final answer
    x = 25,623.17

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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.