Home / 39,991.68-55,187.52-22,995.60

Finding the Fourth Proportional to 39,991.68, 55,187.52 and 22,995.60

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Solution

The fourth proportional to 39,991.68, 55,187.52 and 22,995.60 is: 31,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,991.68 : 55,187.52 = 22,995.60 : x
  2. Step 2: Convert to fraction form
    39,991.68/55,187.52 = 22,995.60/x
  3. Step 3: Cross multiply
    39,991.68x = 55,187.52 × 22,995.60
  4. Step 4: Simplify right side
    39,991.68x = 1,269,070,134.91
  5. Step 5: Solve for x
    x = 1,269,070,134.91/39,991.68
  6. Step 6: Final answer
    x = 31,733.35

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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.