Home / 30,405.84-41,960.34-17,487.06

Finding the Fourth Proportional to 30,405.84, 41,960.34 and 17,487.06

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Solution

The fourth proportional to 30,405.84, 41,960.34 and 17,487.06 is: 24,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,405.84 : 41,960.34 = 17,487.06 : x
  2. Step 2: Convert to fraction form
    30,405.84/41,960.34 = 17,487.06/x
  3. Step 3: Cross multiply
    30,405.84x = 41,960.34 × 17,487.06
  4. Step 4: Simplify right side
    30,405.84x = 733,762,983.20
  5. Step 5: Solve for x
    x = 733,762,983.20/30,405.84
  6. Step 6: Final answer
    x = 24,132.30

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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.