Home / 35,418.38-53,139.87-15,710.77

Finding the Fourth Proportional to 35,418.38, 53,139.87 and 15,710.77

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Solution

The fourth proportional to 35,418.38, 53,139.87 and 15,710.77 is: 23,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.38 : 53,139.87 = 15,710.77 : x
  2. Step 2: Convert to fraction form
    35,418.38/53,139.87 = 15,710.77/x
  3. Step 3: Cross multiply
    35,418.38x = 53,139.87 × 15,710.77
  4. Step 4: Simplify right side
    35,418.38x = 834,868,196.85
  5. Step 5: Solve for x
    x = 834,868,196.85/35,418.38
  6. Step 6: Final answer
    x = 23,571.61

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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.