Home / 54,011.40-74,540.21-29,814.56

Finding the Fourth Proportional to 54,011.40, 74,540.21 and 29,814.56

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Solution

The fourth proportional to 54,011.40, 74,540.21 and 29,814.56 is: 41,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,011.40 : 74,540.21 = 29,814.56 : x
  2. Step 2: Convert to fraction form
    54,011.40/74,540.21 = 29,814.56/x
  3. Step 3: Cross multiply
    54,011.40x = 74,540.21 × 29,814.56
  4. Step 4: Simplify right side
    54,011.40x = 2,222,383,563.46
  5. Step 5: Solve for x
    x = 2,222,383,563.46/54,011.40
  6. Step 6: Final answer
    x = 41,146.56

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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.