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Finding the Fourth Proportional to 43,356.48, 65,040.24 and 13,763.76

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Solution

The fourth proportional to 43,356.48, 65,040.24 and 13,763.76 is: 20,647.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,356.48 : 65,040.24 = 13,763.76 : x
  2. Step 2: Convert to fraction form
    43,356.48/65,040.24 = 13,763.76/x
  3. Step 3: Cross multiply
    43,356.48x = 65,040.24 × 13,763.76
  4. Step 4: Simplify right side
    43,356.48x = 895,198,253.70
  5. Step 5: Solve for x
    x = 895,198,253.70/43,356.48
  6. Step 6: Final answer
    x = 20,647.39

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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.