Home / 30,553.88-42,163.16-17,125.24

Finding the Fourth Proportional to 30,553.88, 42,163.16 and 17,125.24

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Solution

The fourth proportional to 30,553.88, 42,163.16 and 17,125.24 is: 23,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553.88 : 42,163.16 = 17,125.24 : x
  2. Step 2: Convert to fraction form
    30,553.88/42,163.16 = 17,125.24/x
  3. Step 3: Cross multiply
    30,553.88x = 42,163.16 × 17,125.24
  4. Step 4: Simplify right side
    30,553.88x = 722,054,234.16
  5. Step 5: Solve for x
    x = 722,054,234.16/30,553.88
  6. Step 6: Final answer
    x = 23,632.16

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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.