Home / 31,270.89-43,153.40-17,123.73

Finding the Fourth Proportional to 31,270.89, 43,153.40 and 17,123.73

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Solution

The fourth proportional to 31,270.89, 43,153.40 and 17,123.73 is: 23,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,270.89 : 43,153.40 = 17,123.73 : x
  2. Step 2: Convert to fraction form
    31,270.89/43,153.40 = 17,123.73/x
  3. Step 3: Cross multiply
    31,270.89x = 43,153.40 × 17,123.73
  4. Step 4: Simplify right side
    31,270.89x = 738,947,084.56
  5. Step 5: Solve for x
    x = 738,947,084.56/31,270.89
  6. Step 6: Final answer
    x = 23,630.51

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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.