Home / 45,168.44-67,752.70-18,858.84

Finding the Fourth Proportional to 45,168.44, 67,752.70 and 18,858.84

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Solution

The fourth proportional to 45,168.44, 67,752.70 and 18,858.84 is: 28,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,168.44 : 67,752.70 = 18,858.84 : x
  2. Step 2: Convert to fraction form
    45,168.44/67,752.70 = 18,858.84/x
  3. Step 3: Cross multiply
    45,168.44x = 67,752.70 × 18,858.84
  4. Step 4: Simplify right side
    45,168.44x = 1,277,737,328.87
  5. Step 5: Solve for x
    x = 1,277,737,328.87/45,168.44
  6. Step 6: Final answer
    x = 28,288.28

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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.