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Finding the Fourth Proportional to 53,620.40, 80,430.60 and 44,937.20

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Solution

The fourth proportional to 53,620.40, 80,430.60 and 44,937.20 is: 67,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,620.40 : 80,430.60 = 44,937.20 : x
  2. Step 2: Convert to fraction form
    53,620.40/80,430.60 = 44,937.20/x
  3. Step 3: Cross multiply
    53,620.40x = 80,430.60 × 44,937.20
  4. Step 4: Simplify right side
    53,620.40x = 3,614,325,958.32
  5. Step 5: Solve for x
    x = 3,614,325,958.32/53,620.40
  6. Step 6: Final answer
    x = 67,405.80

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