Home / 30,281.92-41,789.73-16,854.55

Finding the Fourth Proportional to 30,281.92, 41,789.73 and 16,854.55

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Solution

The fourth proportional to 30,281.92, 41,789.73 and 16,854.55 is: 23,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281.92 : 41,789.73 = 16,854.55 : x
  2. Step 2: Convert to fraction form
    30,281.92/41,789.73 = 16,854.55/x
  3. Step 3: Cross multiply
    30,281.92x = 41,789.73 × 16,854.55
  4. Step 4: Simplify right side
    30,281.92x = 704,347,093.77
  5. Step 5: Solve for x
    x = 704,347,093.77/30,281.92
  6. Step 6: Final answer
    x = 23,259.66

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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.