Home / 34,187.08-47,179.38-20,039.08

Finding the Fourth Proportional to 34,187.08, 47,179.38 and 20,039.08

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Solution

The fourth proportional to 34,187.08, 47,179.38 and 20,039.08 is: 27,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,187.08 : 47,179.38 = 20,039.08 : x
  2. Step 2: Convert to fraction form
    34,187.08/47,179.38 = 20,039.08/x
  3. Step 3: Cross multiply
    34,187.08x = 47,179.38 × 20,039.08
  4. Step 4: Simplify right side
    34,187.08x = 945,431,370.17
  5. Step 5: Solve for x
    x = 945,431,370.17/34,187.08
  6. Step 6: Final answer
    x = 27,654.64

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1.5x scale

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.