Home / 30,179.05-45,273.34-9,116.48

Finding the Fourth Proportional to 30,179.05, 45,273.34 and 9,116.48

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Solution

The fourth proportional to 30,179.05, 45,273.34 and 9,116.48 is: 13,676.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.05 : 45,273.34 = 9,116.48 : x
  2. Step 2: Convert to fraction form
    30,179.05/45,273.34 = 9,116.48/x
  3. Step 3: Cross multiply
    30,179.05x = 45,273.34 × 9,116.48
  4. Step 4: Simplify right side
    30,179.05x = 412,733,272.28
  5. Step 5: Solve for x
    x = 412,733,272.28/30,179.05
  6. Step 6: Final answer
    x = 13,676.15

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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.