Home / 36,125.76-54,179.04-30,285.12

Finding the Fourth Proportional to 36,125.76, 54,179.04 and 30,285.12

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Solution

The fourth proportional to 36,125.76, 54,179.04 and 30,285.12 is: 45,419.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,125.76 : 54,179.04 = 30,285.12 : x
  2. Step 2: Convert to fraction form
    36,125.76/54,179.04 = 30,285.12/x
  3. Step 3: Cross multiply
    36,125.76x = 54,179.04 × 30,285.12
  4. Step 4: Simplify right side
    36,125.76x = 1,640,818,727.88
  5. Step 5: Solve for x
    x = 1,640,818,727.88/36,125.76
  6. Step 6: Final answer
    x = 45,419.63

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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.