Home / 31,980.75-47,950.62-13,273.68

Finding the Fourth Proportional to 31,980.75, 47,950.62 and 13,273.68

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Solution

The fourth proportional to 31,980.75, 47,950.62 and 13,273.68 is: 19,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,980.75 : 47,950.62 = 13,273.68 : x
  2. Step 2: Convert to fraction form
    31,980.75/47,950.62 = 13,273.68/x
  3. Step 3: Cross multiply
    31,980.75x = 47,950.62 × 13,273.68
  4. Step 4: Simplify right side
    31,980.75x = 636,481,185.68
  5. Step 5: Solve for x
    x = 636,481,185.68/31,980.75
  6. Step 6: Final answer
    x = 19,902.01

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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.