Home / 31,453.58-43,416.61-19,523.90

Finding the Fourth Proportional to 31,453.58, 43,416.61 and 19,523.90

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Solution

The fourth proportional to 31,453.58, 43,416.61 and 19,523.90 is: 26,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453.58 : 43,416.61 = 19,523.90 : x
  2. Step 2: Convert to fraction form
    31,453.58/43,416.61 = 19,523.90/x
  3. Step 3: Cross multiply
    31,453.58x = 43,416.61 × 19,523.90
  4. Step 4: Simplify right side
    31,453.58x = 847,661,551.98
  5. Step 5: Solve for x
    x = 847,661,551.98/31,453.58
  6. Step 6: Final answer
    x = 26,949.60

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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.