Home / 30,307.37-41,821.18-16,879.88

Finding the Fourth Proportional to 30,307.37, 41,821.18 and 16,879.88

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Solution

The fourth proportional to 30,307.37, 41,821.18 and 16,879.88 is: 23,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,307.37 : 41,821.18 = 16,879.88 : x
  2. Step 2: Convert to fraction form
    30,307.37/41,821.18 = 16,879.88/x
  3. Step 3: Cross multiply
    30,307.37x = 41,821.18 × 16,879.88
  4. Step 4: Simplify right side
    30,307.37x = 705,936,248.55
  5. Step 5: Solve for x
    x = 705,936,248.55/30,307.37
  6. Step 6: Final answer
    x = 23,292.56

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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.