Home / 31,453.45-43,408.27-18,025.95

Finding the Fourth Proportional to 31,453.45, 43,408.27 and 18,025.95

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Solution

The fourth proportional to 31,453.45, 43,408.27 and 18,025.95 is: 24,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453.45 : 43,408.27 = 18,025.95 : x
  2. Step 2: Convert to fraction form
    31,453.45/43,408.27 = 18,025.95/x
  3. Step 3: Cross multiply
    31,453.45x = 43,408.27 × 18,025.95
  4. Step 4: Simplify right side
    31,453.45x = 782,475,388.52
  5. Step 5: Solve for x
    x = 782,475,388.52/31,453.45
  6. Step 6: Final answer
    x = 24,877.25

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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.