Home / 44,415.70-66,623.55-18,139.30

Finding the Fourth Proportional to 44,415.70, 66,623.55 and 18,139.30

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Solution

The fourth proportional to 44,415.70, 66,623.55 and 18,139.30 is: 27,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,415.70 : 66,623.55 = 18,139.30 : x
  2. Step 2: Convert to fraction form
    44,415.70/66,623.55 = 18,139.30/x
  3. Step 3: Cross multiply
    44,415.70x = 66,623.55 × 18,139.30
  4. Step 4: Simplify right side
    44,415.70x = 1,208,504,560.52
  5. Step 5: Solve for x
    x = 1,208,504,560.52/44,415.70
  6. Step 6: Final answer
    x = 27,208.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.