Home / 39,992.16-55,190.88-22,089.60

Finding the Fourth Proportional to 39,992.16, 55,190.88 and 22,089.60

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Solution

The fourth proportional to 39,992.16, 55,190.88 and 22,089.60 is: 30,484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992.16 : 55,190.88 = 22,089.60 : x
  2. Step 2: Convert to fraction form
    39,992.16/55,190.88 = 22,089.60/x
  3. Step 3: Cross multiply
    39,992.16x = 55,190.88 × 22,089.60
  4. Step 4: Simplify right side
    39,992.16x = 1,219,144,462.85
  5. Step 5: Solve for x
    x = 1,219,144,462.85/39,992.16
  6. Step 6: Final answer
    x = 30,484.59

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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.