Home / 43,821.90-65,731.86-29,746.80

Finding the Fourth Proportional to 43,821.90, 65,731.86 and 29,746.80

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Solution

The fourth proportional to 43,821.90, 65,731.86 and 29,746.80 is: 44,619.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,821.90 : 65,731.86 = 29,746.80 : x
  2. Step 2: Convert to fraction form
    43,821.90/65,731.86 = 29,746.80/x
  3. Step 3: Cross multiply
    43,821.90x = 65,731.86 × 29,746.80
  4. Step 4: Simplify right side
    43,821.90x = 1,955,312,493.05
  5. Step 5: Solve for x
    x = 1,955,312,493.05/43,821.90
  6. Step 6: Final answer
    x = 44,619.53

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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.