Home / 30,174.98-45,244.82-9,108.70

Finding the Fourth Proportional to 30,174.98, 45,244.82 and 9,108.70

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Solution

The fourth proportional to 30,174.98, 45,244.82 and 9,108.70 is: 13,657.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174.98 : 45,244.82 = 9,108.70 : x
  2. Step 2: Convert to fraction form
    30,174.98/45,244.82 = 9,108.70/x
  3. Step 3: Cross multiply
    30,174.98x = 45,244.82 × 9,108.70
  4. Step 4: Simplify right side
    30,174.98x = 412,121,571.26
  5. Step 5: Solve for x
    x = 412,121,571.26/30,174.98
  6. Step 6: Final answer
    x = 13,657.73

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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.