Home / 30,861.36-46,254.92-14,198.42

Finding the Fourth Proportional to 30,861.36, 46,254.92 and 14,198.42

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Solution

The fourth proportional to 30,861.36, 46,254.92 and 14,198.42 is: 21,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,861.36 : 46,254.92 = 14,198.42 : x
  2. Step 2: Convert to fraction form
    30,861.36/46,254.92 = 14,198.42/x
  3. Step 3: Cross multiply
    30,861.36x = 46,254.92 × 14,198.42
  4. Step 4: Simplify right side
    30,861.36x = 656,746,781.23
  5. Step 5: Solve for x
    x = 656,746,781.23/30,861.36
  6. Step 6: Final answer
    x = 21,280.55

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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.