Home / 30,176.35-41,643.38-16,747.61

Finding the Fourth Proportional to 30,176.35, 41,643.38 and 16,747.61

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Solution

The fourth proportional to 30,176.35, 41,643.38 and 16,747.61 is: 23,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,176.35 : 41,643.38 = 16,747.61 : x
  2. Step 2: Convert to fraction form
    30,176.35/41,643.38 = 16,747.61/x
  3. Step 3: Cross multiply
    30,176.35x = 41,643.38 × 16,747.61
  4. Step 4: Simplify right side
    30,176.35x = 697,427,087.32
  5. Step 5: Solve for x
    x = 697,427,087.32/30,176.35
  6. Step 6: Final answer
    x = 23,111.71

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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.