Home / 36,172.76-49,923.14-21,065.68

Finding the Fourth Proportional to 36,172.76, 49,923.14 and 21,065.68

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Solution

The fourth proportional to 36,172.76, 49,923.14 and 21,065.68 is: 29,073.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.76 : 49,923.14 = 21,065.68 : x
  2. Step 2: Convert to fraction form
    36,172.76/49,923.14 = 21,065.68/x
  3. Step 3: Cross multiply
    36,172.76x = 49,923.14 × 21,065.68
  4. Step 4: Simplify right side
    36,172.76x = 1,051,664,891.84
  5. Step 5: Solve for x
    x = 1,051,664,891.84/36,172.76
  6. Step 6: Final answer
    x = 29,073.39

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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.