Home / 35,890.76-53,836.36-12,517.22

Finding the Fourth Proportional to 35,890.76, 53,836.36 and 12,517.22

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Solution

The fourth proportional to 35,890.76, 53,836.36 and 12,517.22 is: 18,775.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,890.76 : 53,836.36 = 12,517.22 : x
  2. Step 2: Convert to fraction form
    35,890.76/53,836.36 = 12,517.22/x
  3. Step 3: Cross multiply
    35,890.76x = 53,836.36 × 12,517.22
  4. Step 4: Simplify right side
    35,890.76x = 673,881,562.12
  5. Step 5: Solve for x
    x = 673,881,562.12/35,890.76
  6. Step 6: Final answer
    x = 18,775.91

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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.