Home / 43,821.76-65,741.84-14,240.32

Finding the Fourth Proportional to 43,821.76, 65,741.84 and 14,240.32

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Solution

The fourth proportional to 43,821.76, 65,741.84 and 14,240.32 is: 21,363.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,821.76 : 65,741.84 = 14,240.32 : x
  2. Step 2: Convert to fraction form
    43,821.76/65,741.84 = 14,240.32/x
  3. Step 3: Cross multiply
    43,821.76x = 65,741.84 × 14,240.32
  4. Step 4: Simplify right side
    43,821.76x = 936,184,838.99
  5. Step 5: Solve for x
    x = 936,184,838.99/43,821.76
  6. Step 6: Final answer
    x = 21,363.47

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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.