Home / 48,529.48-72,750.88-18,940.44

Finding the Fourth Proportional to 48,529.48, 72,750.88 and 18,940.44

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Solution

The fourth proportional to 48,529.48, 72,750.88 and 18,940.44 is: 28,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,529.48 : 72,750.88 = 18,940.44 : x
  2. Step 2: Convert to fraction form
    48,529.48/72,750.88 = 18,940.44/x
  3. Step 3: Cross multiply
    48,529.48x = 72,750.88 × 18,940.44
  4. Step 4: Simplify right side
    48,529.48x = 1,377,933,677.59
  5. Step 5: Solve for x
    x = 1,377,933,677.59/48,529.48
  6. Step 6: Final answer
    x = 28,393.74

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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.