Home / 36,221.68-54,332.61-9,930.34

Finding the Fourth Proportional to 36,221.68, 54,332.61 and 9,930.34

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Solution

The fourth proportional to 36,221.68, 54,332.61 and 9,930.34 is: 14,895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,221.68 : 54,332.61 = 9,930.34 : x
  2. Step 2: Convert to fraction form
    36,221.68/54,332.61 = 9,930.34/x
  3. Step 3: Cross multiply
    36,221.68x = 54,332.61 × 9,930.34
  4. Step 4: Simplify right side
    36,221.68x = 539,541,290.39
  5. Step 5: Solve for x
    x = 539,541,290.39/36,221.68
  6. Step 6: Final answer
    x = 14,895.53

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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.