Home / 48,936.40-73,432.30-20,853.50

Finding the Fourth Proportional to 48,936.40, 73,432.30 and 20,853.50

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Solution

The fourth proportional to 48,936.40, 73,432.30 and 20,853.50 is: 31,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,936.40 : 73,432.30 = 20,853.50 : x
  2. Step 2: Convert to fraction form
    48,936.40/73,432.30 = 20,853.50/x
  3. Step 3: Cross multiply
    48,936.40x = 73,432.30 × 20,853.50
  4. Step 4: Simplify right side
    48,936.40x = 1,531,320,468.05
  5. Step 5: Solve for x
    x = 1,531,320,468.05/48,936.40
  6. Step 6: Final answer
    x = 31,292.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.