Home / 39,869.36-55,016.52-23,103.44

Finding the Fourth Proportional to 39,869.36, 55,016.52 and 23,103.44

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Solution

The fourth proportional to 39,869.36, 55,016.52 and 23,103.44 is: 31,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,869.36 : 55,016.52 = 23,103.44 : x
  2. Step 2: Convert to fraction form
    39,869.36/55,016.52 = 23,103.44/x
  3. Step 3: Cross multiply
    39,869.36x = 55,016.52 × 23,103.44
  4. Step 4: Simplify right side
    39,869.36x = 1,271,070,868.83
  5. Step 5: Solve for x
    x = 1,271,070,868.83/39,869.36
  6. Step 6: Final answer
    x = 31,880.89

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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.