Home / 30,910.98-46,365.66-8,725.89

Finding the Fourth Proportional to 30,910.98, 46,365.66 and 8,725.89

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Solution

The fourth proportional to 30,910.98, 46,365.66 and 8,725.89 is: 13,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,910.98 : 46,365.66 = 8,725.89 : x
  2. Step 2: Convert to fraction form
    30,910.98/46,365.66 = 8,725.89/x
  3. Step 3: Cross multiply
    30,910.98x = 46,365.66 × 8,725.89
  4. Step 4: Simplify right side
    30,910.98x = 404,581,648.94
  5. Step 5: Solve for x
    x = 404,581,648.94/30,910.98
  6. Step 6: Final answer
    x = 13,088.61

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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.