Home / 49,228.44-67,928.40-28,005.36

Finding the Fourth Proportional to 49,228.44, 67,928.40 and 28,005.36

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Solution

The fourth proportional to 49,228.44, 67,928.40 and 28,005.36 is: 38,643.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,228.44 : 67,928.40 = 28,005.36 : x
  2. Step 2: Convert to fraction form
    49,228.44/67,928.40 = 28,005.36/x
  3. Step 3: Cross multiply
    49,228.44x = 67,928.40 × 28,005.36
  4. Step 4: Simplify right side
    49,228.44x = 1,902,359,296.22
  5. Step 5: Solve for x
    x = 1,902,359,296.22/49,228.44
  6. Step 6: Final answer
    x = 38,643.50

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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.