Home / 30,230.10-41,712.87-16,801.31

Finding the Fourth Proportional to 30,230.10, 41,712.87 and 16,801.31

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Solution

The fourth proportional to 30,230.10, 41,712.87 and 16,801.31 is: 23,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.10 : 41,712.87 = 16,801.31 : x
  2. Step 2: Convert to fraction form
    30,230.10/41,712.87 = 16,801.31/x
  3. Step 3: Cross multiply
    30,230.10x = 41,712.87 × 16,801.31
  4. Step 4: Simplify right side
    30,230.10x = 700,830,651.30
  5. Step 5: Solve for x
    x = 700,830,651.30/30,230.10
  6. Step 6: Final answer
    x = 23,183.21

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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.