Home / 37,842.12-52,222.32-21,075.12

Finding the Fourth Proportional to 37,842.12, 52,222.32 and 21,075.12

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Solution

The fourth proportional to 37,842.12, 52,222.32 and 21,075.12 is: 29,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,842.12 : 52,222.32 = 21,075.12 : x
  2. Step 2: Convert to fraction form
    37,842.12/52,222.32 = 21,075.12/x
  3. Step 3: Cross multiply
    37,842.12x = 52,222.32 × 21,075.12
  4. Step 4: Simplify right side
    37,842.12x = 1,100,591,660.68
  5. Step 5: Solve for x
    x = 1,100,591,660.68/37,842.12
  6. Step 6: Final answer
    x = 29,083.77

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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.