Home / 31,399.23-43,331.43-17,059.35

Finding the Fourth Proportional to 31,399.23, 43,331.43 and 17,059.35

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Solution

The fourth proportional to 31,399.23, 43,331.43 and 17,059.35 is: 23,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.23 : 43,331.43 = 17,059.35 : x
  2. Step 2: Convert to fraction form
    31,399.23/43,331.43 = 17,059.35/x
  3. Step 3: Cross multiply
    31,399.23x = 43,331.43 × 17,059.35
  4. Step 4: Simplify right side
    31,399.23x = 739,205,858.48
  5. Step 5: Solve for x
    x = 739,205,858.48/31,399.23
  6. Step 6: Final answer
    x = 23,542.16

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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.