Home / 31,505.94-43,478.19-17,359.09

Finding the Fourth Proportional to 31,505.94, 43,478.19 and 17,359.09

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Solution

The fourth proportional to 31,505.94, 43,478.19 and 17,359.09 is: 23,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.94 : 43,478.19 = 17,359.09 : x
  2. Step 2: Convert to fraction form
    31,505.94/43,478.19 = 17,359.09/x
  3. Step 3: Cross multiply
    31,505.94x = 43,478.19 × 17,359.09
  4. Step 4: Simplify right side
    31,505.94x = 754,741,813.25
  5. Step 5: Solve for x
    x = 754,741,813.25/31,505.94
  6. Step 6: Final answer
    x = 23,955.54

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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.