Home / 43,534.20-65,295.48-19,816.18

Finding the Fourth Proportional to 43,534.20, 65,295.48 and 19,816.18

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Solution

The fourth proportional to 43,534.20, 65,295.48 and 19,816.18 is: 29,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,534.20 : 65,295.48 = 19,816.18 : x
  2. Step 2: Convert to fraction form
    43,534.20/65,295.48 = 19,816.18/x
  3. Step 3: Cross multiply
    43,534.20x = 65,295.48 × 19,816.18
  4. Step 4: Simplify right side
    43,534.20x = 1,293,906,984.87
  5. Step 5: Solve for x
    x = 1,293,906,984.87/43,534.20
  6. Step 6: Final answer
    x = 29,721.62

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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.