Home / 40,062.73-55,281.77-22,155.30

Finding the Fourth Proportional to 40,062.73, 55,281.77 and 22,155.30

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Solution

The fourth proportional to 40,062.73, 55,281.77 and 22,155.30 is: 30,571.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,062.73 : 55,281.77 = 22,155.30 : x
  2. Step 2: Convert to fraction form
    40,062.73/55,281.77 = 22,155.30/x
  3. Step 3: Cross multiply
    40,062.73x = 55,281.77 × 22,155.30
  4. Step 4: Simplify right side
    40,062.73x = 1,224,784,198.88
  5. Step 5: Solve for x
    x = 1,224,784,198.88/40,062.73
  6. Step 6: Final answer
    x = 30,571.66

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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.