Home / 52,021.25-71,789.58-29,361.20

Finding the Fourth Proportional to 52,021.25, 71,789.58 and 29,361.20

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Solution

The fourth proportional to 52,021.25, 71,789.58 and 29,361.20 is: 40,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,021.25 : 71,789.58 = 29,361.20 : x
  2. Step 2: Convert to fraction form
    52,021.25/71,789.58 = 29,361.20/x
  3. Step 3: Cross multiply
    52,021.25x = 71,789.58 × 29,361.20
  4. Step 4: Simplify right side
    52,021.25x = 2,107,828,016.45
  5. Step 5: Solve for x
    x = 2,107,828,016.45/52,021.25
  6. Step 6: Final answer
    x = 40,518.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.