Home / 30,722.66-42,401.31-17,296.54

Finding the Fourth Proportional to 30,722.66, 42,401.31 and 17,296.54

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Solution

The fourth proportional to 30,722.66, 42,401.31 and 17,296.54 is: 23,871.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,722.66 : 42,401.31 = 17,296.54 : x
  2. Step 2: Convert to fraction form
    30,722.66/42,401.31 = 17,296.54/x
  3. Step 3: Cross multiply
    30,722.66x = 42,401.31 × 17,296.54
  4. Step 4: Simplify right side
    30,722.66x = 733,395,783.60
  5. Step 5: Solve for x
    x = 733,395,783.60/30,722.66
  6. Step 6: Final answer
    x = 23,871.49

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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.