Home / 51,571.04-71,208.24-39,615.44

Finding the Fourth Proportional to 51,571.04, 71,208.24 and 39,615.44

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Solution

The fourth proportional to 51,571.04, 71,208.24 and 39,615.44 is: 54,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,571.04 : 71,208.24 = 39,615.44 : x
  2. Step 2: Convert to fraction form
    51,571.04/71,208.24 = 39,615.44/x
  3. Step 3: Cross multiply
    51,571.04x = 71,208.24 × 39,615.44
  4. Step 4: Simplify right side
    51,571.04x = 2,820,945,759.23
  5. Step 5: Solve for x
    x = 2,820,945,759.23/51,571.04
  6. Step 6: Final answer
    x = 54,700.19

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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.