Home / 31,552.03-43,544.15-18,123.85

Finding the Fourth Proportional to 31,552.03, 43,544.15 and 18,123.85

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Solution

The fourth proportional to 31,552.03, 43,544.15 and 18,123.85 is: 25,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,552.03 : 43,544.15 = 18,123.85 : x
  2. Step 2: Convert to fraction form
    31,552.03/43,544.15 = 18,123.85/x
  3. Step 3: Cross multiply
    31,552.03x = 43,544.15 × 18,123.85
  4. Step 4: Simplify right side
    31,552.03x = 789,187,642.98
  5. Step 5: Solve for x
    x = 789,187,642.98/31,552.03
  6. Step 6: Final answer
    x = 25,012.26

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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.