Home / 31,012.40-46,486.20-16,950.80

Finding the Fourth Proportional to 31,012.40, 46,486.20 and 16,950.80

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Solution

The fourth proportional to 31,012.40, 46,486.20 and 16,950.80 is: 25,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,012.40 : 46,486.20 = 16,950.80 : x
  2. Step 2: Convert to fraction form
    31,012.40/46,486.20 = 16,950.80/x
  3. Step 3: Cross multiply
    31,012.40x = 46,486.20 × 16,950.80
  4. Step 4: Simplify right side
    31,012.40x = 787,978,278.96
  5. Step 5: Solve for x
    x = 787,978,278.96/31,012.40
  6. Step 6: Final answer
    x = 25,408.49

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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.