Home / 31,593.58-43,619.61-19,661.74

Finding the Fourth Proportional to 31,593.58, 43,619.61 and 19,661.74

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Solution

The fourth proportional to 31,593.58, 43,619.61 and 19,661.74 is: 27,145.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,593.58 : 43,619.61 = 19,661.74 : x
  2. Step 2: Convert to fraction form
    31,593.58/43,619.61 = 19,661.74/x
  3. Step 3: Cross multiply
    31,593.58x = 43,619.61 × 19,661.74
  4. Step 4: Simplify right side
    31,593.58x = 857,637,395.40
  5. Step 5: Solve for x
    x = 857,637,395.40/31,593.58
  6. Step 6: Final answer
    x = 27,145.94

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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.