Home / 30,662.22-45,954.09-15,868.38

Finding the Fourth Proportional to 30,662.22, 45,954.09 and 15,868.38

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Solution

The fourth proportional to 30,662.22, 45,954.09 and 15,868.38 is: 23,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,662.22 : 45,954.09 = 15,868.38 : x
  2. Step 2: Convert to fraction form
    30,662.22/45,954.09 = 15,868.38/x
  3. Step 3: Cross multiply
    30,662.22x = 45,954.09 × 15,868.38
  4. Step 4: Simplify right side
    30,662.22x = 729,216,962.67
  5. Step 5: Solve for x
    x = 729,216,962.67/30,662.22
  6. Step 6: Final answer
    x = 23,782.26

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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.