Home / 34,078.92-47,041.74-19,936.32

Finding the Fourth Proportional to 34,078.92, 47,041.74 and 19,936.32

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Solution

The fourth proportional to 34,078.92, 47,041.74 and 19,936.32 is: 27,519.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,078.92 : 47,041.74 = 19,936.32 : x
  2. Step 2: Convert to fraction form
    34,078.92/47,041.74 = 19,936.32/x
  3. Step 3: Cross multiply
    34,078.92x = 47,041.74 × 19,936.32
  4. Step 4: Simplify right side
    34,078.92x = 937,839,182.00
  5. Step 5: Solve for x
    x = 937,839,182.00/34,078.92
  6. Step 6: Final answer
    x = 27,519.63

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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.