Home / 35,913.42-53,879.85-12,541.68

Finding the Fourth Proportional to 35,913.42, 53,879.85 and 12,541.68

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Solution

The fourth proportional to 35,913.42, 53,879.85 and 12,541.68 is: 18,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,913.42 : 53,879.85 = 12,541.68 : x
  2. Step 2: Convert to fraction form
    35,913.42/53,879.85 = 12,541.68/x
  3. Step 3: Cross multiply
    35,913.42x = 53,879.85 × 12,541.68
  4. Step 4: Simplify right side
    35,913.42x = 675,743,837.15
  5. Step 5: Solve for x
    x = 675,743,837.15/35,913.42
  6. Step 6: Final answer
    x = 18,815.91

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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.