Home / 35,939.97-53,917.38-12,582.81

Finding the Fourth Proportional to 35,939.97, 53,917.38 and 12,582.81

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Solution

The fourth proportional to 35,939.97, 53,917.38 and 12,582.81 is: 18,876.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,939.97 : 53,917.38 = 12,582.81 : x
  2. Step 2: Convert to fraction form
    35,939.97/53,917.38 = 12,582.81/x
  3. Step 3: Cross multiply
    35,939.97x = 53,917.38 × 12,582.81
  4. Step 4: Simplify right side
    35,939.97x = 678,432,148.24
  5. Step 5: Solve for x
    x = 678,432,148.24/35,939.97
  6. Step 6: Final answer
    x = 18,876.81

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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.