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Finding the Fourth Proportional to 43,895.96, 65,854.41 and 14,313.83

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Solution

The fourth proportional to 43,895.96, 65,854.41 and 14,313.83 is: 21,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,895.96 : 65,854.41 = 14,313.83 : x
  2. Step 2: Convert to fraction form
    43,895.96/65,854.41 = 14,313.83/x
  3. Step 3: Cross multiply
    43,895.96x = 65,854.41 × 14,313.83
  4. Step 4: Simplify right side
    43,895.96x = 942,628,500.22
  5. Step 5: Solve for x
    x = 942,628,500.22/43,895.96
  6. Step 6: Final answer
    x = 21,474.15

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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.