Home / 39,986.16-55,187.64-23,228.88

Finding the Fourth Proportional to 39,986.16, 55,187.64 and 23,228.88

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Solution

The fourth proportional to 39,986.16, 55,187.64 and 23,228.88 is: 32,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986.16 : 55,187.64 = 23,228.88 : x
  2. Step 2: Convert to fraction form
    39,986.16/55,187.64 = 23,228.88/x
  3. Step 3: Cross multiply
    39,986.16x = 55,187.64 × 23,228.88
  4. Step 4: Simplify right side
    39,986.16x = 1,281,947,067.04
  5. Step 5: Solve for x
    x = 1,281,947,067.04/39,986.16
  6. Step 6: Final answer
    x = 32,059.77

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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.