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Finding the Fourth Proportional to 44,244.80, 66,469.60 and 30,420.80

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Solution

The fourth proportional to 44,244.80, 66,469.60 and 30,420.80 is: 45,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,244.80 : 66,469.60 = 30,420.80 : x
  2. Step 2: Convert to fraction form
    44,244.80/66,469.60 = 30,420.80/x
  3. Step 3: Cross multiply
    44,244.80x = 66,469.60 × 30,420.80
  4. Step 4: Simplify right side
    44,244.80x = 2,022,058,407.68
  5. Step 5: Solve for x
    x = 2,022,058,407.68/44,244.80
  6. Step 6: Final answer
    x = 45,701.61

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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.