Home / 39,955.59-55,179.77-33,174.23

Finding the Fourth Proportional to 39,955.59, 55,179.77 and 33,174.23

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Solution

The fourth proportional to 39,955.59, 55,179.77 and 33,174.23 is: 45,814.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.59 : 55,179.77 = 33,174.23 : x
  2. Step 2: Convert to fraction form
    39,955.59/55,179.77 = 33,174.23/x
  3. Step 3: Cross multiply
    39,955.59x = 55,179.77 × 33,174.23
  4. Step 4: Simplify right side
    39,955.59x = 1,830,545,939.56
  5. Step 5: Solve for x
    x = 1,830,545,939.56/39,955.59
  6. Step 6: Final answer
    x = 45,814.51

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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.