Home / 49,520.39-74,302.45-19,995.89

Finding the Fourth Proportional to 49,520.39, 74,302.45 and 19,995.89

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Solution

The fourth proportional to 49,520.39, 74,302.45 and 19,995.89 is: 30,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,520.39 : 74,302.45 = 19,995.89 : x
  2. Step 2: Convert to fraction form
    49,520.39/74,302.45 = 19,995.89/x
  3. Step 3: Cross multiply
    49,520.39x = 74,302.45 × 19,995.89
  4. Step 4: Simplify right side
    49,520.39x = 1,485,743,481.16
  5. Step 5: Solve for x
    x = 1,485,743,481.16/49,520.39
  6. Step 6: Final answer
    x = 30,002.66

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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.