Home / 30,408.27-45,610.16-10,687.02

Finding the Fourth Proportional to 30,408.27, 45,610.16 and 10,687.02

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Solution

The fourth proportional to 30,408.27, 45,610.16 and 10,687.02 is: 16,029.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408.27 : 45,610.16 = 10,687.02 : x
  2. Step 2: Convert to fraction form
    30,408.27/45,610.16 = 10,687.02/x
  3. Step 3: Cross multiply
    30,408.27x = 45,610.16 × 10,687.02
  4. Step 4: Simplify right side
    30,408.27x = 487,436,638.69
  5. Step 5: Solve for x
    x = 487,436,638.69/30,408.27
  6. Step 6: Final answer
    x = 16,029.74

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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.