Home / 35,582.76-53,383.39-18,929.09

Finding the Fourth Proportional to 35,582.76, 53,383.39 and 18,929.09

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Solution

The fourth proportional to 35,582.76, 53,383.39 and 18,929.09 is: 28,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,582.76 : 53,383.39 = 18,929.09 : x
  2. Step 2: Convert to fraction form
    35,582.76/53,383.39 = 18,929.09/x
  3. Step 3: Cross multiply
    35,582.76x = 53,383.39 × 18,929.09
  4. Step 4: Simplify right side
    35,582.76x = 1,010,499,079.95
  5. Step 5: Solve for x
    x = 1,010,499,079.95/35,582.76
  6. Step 6: Final answer
    x = 28,398.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.