Home / 43,852.20-65,735.10-21,647.40

Finding the Fourth Proportional to 43,852.20, 65,735.10 and 21,647.40

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Solution

The fourth proportional to 43,852.20, 65,735.10 and 21,647.40 is: 32,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,852.20 : 65,735.10 = 21,647.40 : x
  2. Step 2: Convert to fraction form
    43,852.20/65,735.10 = 21,647.40/x
  3. Step 3: Cross multiply
    43,852.20x = 65,735.10 × 21,647.40
  4. Step 4: Simplify right side
    43,852.20x = 1,422,994,003.74
  5. Step 5: Solve for x
    x = 1,422,994,003.74/43,852.20
  6. Step 6: Final answer
    x = 32,449.77

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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.