Home / 30,103.88-41,545.71-16,676.42

Finding the Fourth Proportional to 30,103.88, 41,545.71 and 16,676.42

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Solution

The fourth proportional to 30,103.88, 41,545.71 and 16,676.42 is: 23,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,103.88 : 41,545.71 = 16,676.42 : x
  2. Step 2: Convert to fraction form
    30,103.88/41,545.71 = 16,676.42/x
  3. Step 3: Cross multiply
    30,103.88x = 41,545.71 × 16,676.42
  4. Step 4: Simplify right side
    30,103.88x = 692,833,813.02
  5. Step 5: Solve for x
    x = 692,833,813.02/30,103.88
  6. Step 6: Final answer
    x = 23,014.77

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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.