Home / 31,269.02-43,150.86-17,121.56

Finding the Fourth Proportional to 31,269.02, 43,150.86 and 17,121.56

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Solution

The fourth proportional to 31,269.02, 43,150.86 and 17,121.56 is: 23,627.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,269.02 : 43,150.86 = 17,121.56 : x
  2. Step 2: Convert to fraction form
    31,269.02/43,150.86 = 17,121.56/x
  3. Step 3: Cross multiply
    31,269.02x = 43,150.86 × 17,121.56
  4. Step 4: Simplify right side
    31,269.02x = 738,809,822.79
  5. Step 5: Solve for x
    x = 738,809,822.79/31,269.02
  6. Step 6: Final answer
    x = 23,627.54

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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.