Home / 39,995.83-55,189.51-22,089.77

Finding the Fourth Proportional to 39,995.83, 55,189.51 and 22,089.77

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Solution

The fourth proportional to 39,995.83, 55,189.51 and 22,089.77 is: 30,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,995.83 : 55,189.51 = 22,089.77 : x
  2. Step 2: Convert to fraction form
    39,995.83/55,189.51 = 22,089.77/x
  3. Step 3: Cross multiply
    39,995.83x = 55,189.51 × 22,089.77
  4. Step 4: Simplify right side
    39,995.83x = 1,219,123,582.31
  5. Step 5: Solve for x
    x = 1,219,123,582.31/39,995.83
  6. Step 6: Final answer
    x = 30,481.27

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Double scale
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Similar ratio
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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.