Home / 31,329.41-43,235.44-17,902.85

Finding the Fourth Proportional to 31,329.41, 43,235.44 and 17,902.85

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Solution

The fourth proportional to 31,329.41, 43,235.44 and 17,902.85 is: 24,706.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329.41 : 43,235.44 = 17,902.85 : x
  2. Step 2: Convert to fraction form
    31,329.41/43,235.44 = 17,902.85/x
  3. Step 3: Cross multiply
    31,329.41x = 43,235.44 × 17,902.85
  4. Step 4: Simplify right side
    31,329.41x = 774,037,336.07
  5. Step 5: Solve for x
    x = 774,037,336.07/31,329.41
  6. Step 6: Final answer
    x = 24,706.42

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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.