Home / 40,029.90-55,240.68-22,124.54

Finding the Fourth Proportional to 40,029.90, 55,240.68 and 22,124.54

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Solution

The fourth proportional to 40,029.90, 55,240.68 and 22,124.54 is: 30,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,029.90 : 55,240.68 = 22,124.54 : x
  2. Step 2: Convert to fraction form
    40,029.90/55,240.68 = 22,124.54/x
  3. Step 3: Cross multiply
    40,029.90x = 55,240.68 × 22,124.54
  4. Step 4: Simplify right side
    40,029.90x = 1,222,174,855.36
  5. Step 5: Solve for x
    x = 1,222,174,855.36/40,029.90
  6. Step 6: Final answer
    x = 30,531.55

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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.