Home / 40,044.01-55,255.78-22,139.36

Finding the Fourth Proportional to 40,044.01, 55,255.78 and 22,139.36

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Solution

The fourth proportional to 40,044.01, 55,255.78 and 22,139.36 is: 30,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,044.01 : 55,255.78 = 22,139.36 : x
  2. Step 2: Convert to fraction form
    40,044.01/55,255.78 = 22,139.36/x
  3. Step 3: Cross multiply
    40,044.01x = 55,255.78 × 22,139.36
  4. Step 4: Simplify right side
    40,044.01x = 1,223,327,771.31
  5. Step 5: Solve for x
    x = 1,223,327,771.31/40,044.01
  6. Step 6: Final answer
    x = 30,549.58

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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.