Home / 31,282.08-43,169.04-16,941.57

Finding the Fourth Proportional to 31,282.08, 43,169.04 and 16,941.57

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Solution

The fourth proportional to 31,282.08, 43,169.04 and 16,941.57 is: 23,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.08 : 43,169.04 = 16,941.57 : x
  2. Step 2: Convert to fraction form
    31,282.08/43,169.04 = 16,941.57/x
  3. Step 3: Cross multiply
    31,282.08x = 43,169.04 × 16,941.57
  4. Step 4: Simplify right side
    31,282.08x = 731,351,312.99
  5. Step 5: Solve for x
    x = 731,351,312.99/31,282.08
  6. Step 6: Final answer
    x = 23,379.24

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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.