Home / 49,709.52-68,591.88-28,485.36

Finding the Fourth Proportional to 49,709.52, 68,591.88 and 28,485.36

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Solution

The fourth proportional to 49,709.52, 68,591.88 and 28,485.36 is: 39,305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,709.52 : 68,591.88 = 28,485.36 : x
  2. Step 2: Convert to fraction form
    49,709.52/68,591.88 = 28,485.36/x
  3. Step 3: Cross multiply
    49,709.52x = 68,591.88 × 28,485.36
  4. Step 4: Simplify right side
    49,709.52x = 1,953,864,394.88
  5. Step 5: Solve for x
    x = 1,953,864,394.88/49,709.52
  6. Step 6: Final answer
    x = 39,305.64

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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.