Home / 48,638.52-67,120.82-28,491.08

Finding the Fourth Proportional to 48,638.52, 67,120.82 and 28,491.08

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Solution

The fourth proportional to 48,638.52, 67,120.82 and 28,491.08 is: 39,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,638.52 : 67,120.82 = 28,491.08 : x
  2. Step 2: Convert to fraction form
    48,638.52/67,120.82 = 28,491.08/x
  3. Step 3: Cross multiply
    48,638.52x = 67,120.82 × 28,491.08
  4. Step 4: Simplify right side
    48,638.52x = 1,912,344,891.32
  5. Step 5: Solve for x
    x = 1,912,344,891.32/48,638.52
  6. Step 6: Final answer
    x = 39,317.50

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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.