Home / 30,411.21-41,964.96-17,660.34

Finding the Fourth Proportional to 30,411.21, 41,964.96 and 17,660.34

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Solution

The fourth proportional to 30,411.21, 41,964.96 and 17,660.34 is: 24,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,411.21 : 41,964.96 = 17,660.34 : x
  2. Step 2: Convert to fraction form
    30,411.21/41,964.96 = 17,660.34/x
  3. Step 3: Cross multiply
    30,411.21x = 41,964.96 × 17,660.34
  4. Step 4: Simplify right side
    30,411.21x = 741,115,527.91
  5. Step 5: Solve for x
    x = 741,115,527.91/30,411.21
  6. Step 6: Final answer
    x = 24,369.81

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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.