Home / 35,537.58-53,338.61-18,911.61

Finding the Fourth Proportional to 35,537.58, 53,338.61 and 18,911.61

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Solution

The fourth proportional to 35,537.58, 53,338.61 and 18,911.61 is: 28,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,537.58 : 53,338.61 = 18,911.61 : x
  2. Step 2: Convert to fraction form
    35,537.58/53,338.61 = 18,911.61/x
  3. Step 3: Cross multiply
    35,537.58x = 53,338.61 × 18,911.61
  4. Step 4: Simplify right side
    35,537.58x = 1,008,719,037.54
  5. Step 5: Solve for x
    x = 1,008,719,037.54/35,537.58
  6. Step 6: Final answer
    x = 28,384.57

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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.