Home / 43,958.92-65,946.48-14,378.40

Finding the Fourth Proportional to 43,958.92, 65,946.48 and 14,378.40

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Solution

The fourth proportional to 43,958.92, 65,946.48 and 14,378.40 is: 21,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,958.92 : 65,946.48 = 14,378.40 : x
  2. Step 2: Convert to fraction form
    43,958.92/65,946.48 = 14,378.40/x
  3. Step 3: Cross multiply
    43,958.92x = 65,946.48 × 14,378.40
  4. Step 4: Simplify right side
    43,958.92x = 948,204,868.03
  5. Step 5: Solve for x
    x = 948,204,868.03/43,958.92
  6. Step 6: Final answer
    x = 21,570.25

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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.