Home / 35,178.58-48,551.07-20,067.78

Finding the Fourth Proportional to 35,178.58, 48,551.07 and 20,067.78

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Solution

The fourth proportional to 35,178.58, 48,551.07 and 20,067.78 is: 27,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,178.58 : 48,551.07 = 20,067.78 : x
  2. Step 2: Convert to fraction form
    35,178.58/48,551.07 = 20,067.78/x
  3. Step 3: Cross multiply
    35,178.58x = 48,551.07 × 20,067.78
  4. Step 4: Simplify right side
    35,178.58x = 974,312,191.52
  5. Step 5: Solve for x
    x = 974,312,191.52/35,178.58
  6. Step 6: Final answer
    x = 27,696.18

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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.