Home / 31,804.37-43,898.01-18,383.42

Finding the Fourth Proportional to 31,804.37, 43,898.01 and 18,383.42

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Solution

The fourth proportional to 31,804.37, 43,898.01 and 18,383.42 is: 25,373.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,804.37 : 43,898.01 = 18,383.42 : x
  2. Step 2: Convert to fraction form
    31,804.37/43,898.01 = 18,383.42/x
  3. Step 3: Cross multiply
    31,804.37x = 43,898.01 × 18,383.42
  4. Step 4: Simplify right side
    31,804.37x = 806,995,554.99
  5. Step 5: Solve for x
    x = 806,995,554.99/31,804.37
  6. Step 6: Final answer
    x = 25,373.73

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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.