Home / 36,488.12-50,353.62-19,721.12

Finding the Fourth Proportional to 36,488.12, 50,353.62 and 19,721.12

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Solution

The fourth proportional to 36,488.12, 50,353.62 and 19,721.12 is: 27,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,488.12 : 50,353.62 = 19,721.12 : x
  2. Step 2: Convert to fraction form
    36,488.12/50,353.62 = 19,721.12/x
  3. Step 3: Cross multiply
    36,488.12x = 50,353.62 × 19,721.12
  4. Step 4: Simplify right side
    36,488.12x = 993,029,782.45
  5. Step 5: Solve for x
    x = 993,029,782.45/36,488.12
  6. Step 6: Final answer
    x = 27,215.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.