Home / 31,023.70-46,517.92-21,174.90

Finding the Fourth Proportional to 31,023.70, 46,517.92 and 21,174.90

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Solution

The fourth proportional to 31,023.70, 46,517.92 and 21,174.90 is: 31,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,023.70 : 46,517.92 = 21,174.90 : x
  2. Step 2: Convert to fraction form
    31,023.70/46,517.92 = 21,174.90/x
  3. Step 3: Cross multiply
    31,023.70x = 46,517.92 × 21,174.90
  4. Step 4: Simplify right side
    31,023.70x = 985,012,304.21
  5. Step 5: Solve for x
    x = 985,012,304.21/31,023.70
  6. Step 6: Final answer
    x = 31,750.32

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1.5x scale

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.