Home / 35,919.50-49,565.36-20,005.43

Finding the Fourth Proportional to 35,919.50, 49,565.36 and 20,005.43

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Solution

The fourth proportional to 35,919.50, 49,565.36 and 20,005.43 is: 27,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,919.50 : 49,565.36 = 20,005.43 : x
  2. Step 2: Convert to fraction form
    35,919.50/49,565.36 = 20,005.43/x
  3. Step 3: Cross multiply
    35,919.50x = 49,565.36 × 20,005.43
  4. Step 4: Simplify right side
    35,919.50x = 991,576,339.90
  5. Step 5: Solve for x
    x = 991,576,339.90/35,919.50
  6. Step 6: Final answer
    x = 27,605.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.