Home / 31,203.97-43,082.26-18,461.25

Finding the Fourth Proportional to 31,203.97, 43,082.26 and 18,461.25

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Solution

The fourth proportional to 31,203.97, 43,082.26 and 18,461.25 is: 25,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,203.97 : 43,082.26 = 18,461.25 : x
  2. Step 2: Convert to fraction form
    31,203.97/43,082.26 = 18,461.25/x
  3. Step 3: Cross multiply
    31,203.97x = 43,082.26 × 18,461.25
  4. Step 4: Simplify right side
    31,203.97x = 795,352,326.27
  5. Step 5: Solve for x
    x = 795,352,326.27/31,203.97
  6. Step 6: Final answer
    x = 25,488.82

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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.