Home / 39,992.69-55,189.77-22,089.65

Finding the Fourth Proportional to 39,992.69, 55,189.77 and 22,089.65

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Solution

The fourth proportional to 39,992.69, 55,189.77 and 22,089.65 is: 30,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992.69 : 55,189.77 = 22,089.65 : x
  2. Step 2: Convert to fraction form
    39,992.69/55,189.77 = 22,089.65/x
  3. Step 3: Cross multiply
    39,992.69x = 55,189.77 × 22,089.65
  4. Step 4: Simplify right side
    39,992.69x = 1,219,122,702.88
  5. Step 5: Solve for x
    x = 1,219,122,702.88/39,992.69
  6. Step 6: Final answer
    x = 30,483.64

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Double scale
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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.