Home / 30,501.26-45,755.58-10,775.78

Finding the Fourth Proportional to 30,501.26, 45,755.58 and 10,775.78

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Solution

The fourth proportional to 30,501.26, 45,755.58 and 10,775.78 is: 16,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501.26 : 45,755.58 = 10,775.78 : x
  2. Step 2: Convert to fraction form
    30,501.26/45,755.58 = 10,775.78/x
  3. Step 3: Cross multiply
    30,501.26x = 45,755.58 × 10,775.78
  4. Step 4: Simplify right side
    30,501.26x = 493,052,063.85
  5. Step 5: Solve for x
    x = 493,052,063.85/30,501.26
  6. Step 6: Final answer
    x = 16,164.97

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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.