Home / 57,619.62-79,546.46-39,810.51

Finding the Fourth Proportional to 57,619.62, 79,546.46 and 39,810.51

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Solution

The fourth proportional to 57,619.62, 79,546.46 and 39,810.51 is: 54,960.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,619.62 : 79,546.46 = 39,810.51 : x
  2. Step 2: Convert to fraction form
    57,619.62/79,546.46 = 39,810.51/x
  3. Step 3: Cross multiply
    57,619.62x = 79,546.46 × 39,810.51
  4. Step 4: Simplify right side
    57,619.62x = 3,166,784,942.24
  5. Step 5: Solve for x
    x = 3,166,784,942.24/57,619.62
  6. Step 6: Final answer
    x = 54,960.18

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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.