Home / 31,211.84-43,072.42-17,065.60

Finding the Fourth Proportional to 31,211.84, 43,072.42 and 17,065.60

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Solution

The fourth proportional to 31,211.84, 43,072.42 and 17,065.60 is: 23,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211.84 : 43,072.42 = 17,065.60 : x
  2. Step 2: Convert to fraction form
    31,211.84/43,072.42 = 17,065.60/x
  3. Step 3: Cross multiply
    31,211.84x = 43,072.42 × 17,065.60
  4. Step 4: Simplify right side
    31,211.84x = 735,056,390.06
  5. Step 5: Solve for x
    x = 735,056,390.06/31,211.84
  6. Step 6: Final answer
    x = 23,550.56

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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.