Home / 31,017.37-46,489.13-21,606.43

Finding the Fourth Proportional to 31,017.37, 46,489.13 and 21,606.43

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Solution

The fourth proportional to 31,017.37, 46,489.13 and 21,606.43 is: 32,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,017.37 : 46,489.13 = 21,606.43 : x
  2. Step 2: Convert to fraction form
    31,017.37/46,489.13 = 21,606.43/x
  3. Step 3: Cross multiply
    31,017.37x = 46,489.13 × 21,606.43
  4. Step 4: Simplify right side
    31,017.37x = 1,004,464,133.11
  5. Step 5: Solve for x
    x = 1,004,464,133.11/31,017.37
  6. Step 6: Final answer
    x = 32,383.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.