Home / 54,408.14-81,534.45-30,986.18

Finding the Fourth Proportional to 54,408.14, 81,534.45 and 30,986.18

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Solution

The fourth proportional to 54,408.14, 81,534.45 and 30,986.18 is: 46,434.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,408.14 : 81,534.45 = 30,986.18 : x
  2. Step 2: Convert to fraction form
    54,408.14/81,534.45 = 30,986.18/x
  3. Step 3: Cross multiply
    54,408.14x = 81,534.45 × 30,986.18
  4. Step 4: Simplify right side
    54,408.14x = 2,526,441,143.90
  5. Step 5: Solve for x
    x = 2,526,441,143.90/54,408.14
  6. Step 6: Final answer
    x = 46,434.98

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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.