Home / 34,015.12-46,946.68-21,912.18

Finding the Fourth Proportional to 34,015.12, 46,946.68 and 21,912.18

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Solution

The fourth proportional to 34,015.12, 46,946.68 and 21,912.18 is: 30,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,015.12 : 46,946.68 = 21,912.18 : x
  2. Step 2: Convert to fraction form
    34,015.12/46,946.68 = 21,912.18/x
  3. Step 3: Cross multiply
    34,015.12x = 46,946.68 × 21,912.18
  4. Step 4: Simplify right side
    34,015.12x = 1,028,704,102.56
  5. Step 5: Solve for x
    x = 1,028,704,102.56/34,015.12
  6. Step 6: Final answer
    x = 30,242.55

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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.