Home / 30,930.73-46,412.90-13,401.93

Finding the Fourth Proportional to 30,930.73, 46,412.90 and 13,401.93

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Solution

The fourth proportional to 30,930.73, 46,412.90 and 13,401.93 is: 20,110.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,930.73 : 46,412.90 = 13,401.93 : x
  2. Step 2: Convert to fraction form
    30,930.73/46,412.90 = 13,401.93/x
  3. Step 3: Cross multiply
    30,930.73x = 46,412.90 × 13,401.93
  4. Step 4: Simplify right side
    30,930.73x = 622,022,436.90
  5. Step 5: Solve for x
    x = 622,022,436.90/30,930.73
  6. Step 6: Final answer
    x = 20,110.18

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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.