Home / 39,946.44-55,129.20-22,043.04

Finding the Fourth Proportional to 39,946.44, 55,129.20 and 22,043.04

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Solution

The fourth proportional to 39,946.44, 55,129.20 and 22,043.04 is: 30,421.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,946.44 : 55,129.20 = 22,043.04 : x
  2. Step 2: Convert to fraction form
    39,946.44/55,129.20 = 22,043.04/x
  3. Step 3: Cross multiply
    39,946.44x = 55,129.20 × 22,043.04
  4. Step 4: Simplify right side
    39,946.44x = 1,215,215,160.77
  5. Step 5: Solve for x
    x = 1,215,215,160.77/39,946.44
  6. Step 6: Final answer
    x = 30,421.11

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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.