Home / 31,270.21-43,152.45-17,123.05

Finding the Fourth Proportional to 31,270.21, 43,152.45 and 17,123.05

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Solution

The fourth proportional to 31,270.21, 43,152.45 and 17,123.05 is: 23,629.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,270.21 : 43,152.45 = 17,123.05 : x
  2. Step 2: Convert to fraction form
    31,270.21/43,152.45 = 17,123.05/x
  3. Step 3: Cross multiply
    31,270.21x = 43,152.45 × 17,123.05
  4. Step 4: Simplify right side
    31,270.21x = 738,901,558.97
  5. Step 5: Solve for x
    x = 738,901,558.97/31,270.21
  6. Step 6: Final answer
    x = 23,629.57

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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.