Home / 29,748.28-41,052.50-18,415.50

Finding the Fourth Proportional to 29,748.28, 41,052.50 and 18,415.50

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Solution

The fourth proportional to 29,748.28, 41,052.50 and 18,415.50 is: 25,413.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,748.28 : 41,052.50 = 18,415.50 : x
  2. Step 2: Convert to fraction form
    29,748.28/41,052.50 = 18,415.50/x
  3. Step 3: Cross multiply
    29,748.28x = 41,052.50 × 18,415.50
  4. Step 4: Simplify right side
    29,748.28x = 756,002,313.75
  5. Step 5: Solve for x
    x = 756,002,313.75/29,748.28
  6. Step 6: Final answer
    x = 25,413.31

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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.