Home / 48,456.16-72,704.94-18,894.82

Finding the Fourth Proportional to 48,456.16, 72,704.94 and 18,894.82

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Solution

The fourth proportional to 48,456.16, 72,704.94 and 18,894.82 is: 28,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,456.16 : 72,704.94 = 18,894.82 : x
  2. Step 2: Convert to fraction form
    48,456.16/72,704.94 = 18,894.82/x
  3. Step 3: Cross multiply
    48,456.16x = 72,704.94 × 18,894.82
  4. Step 4: Simplify right side
    48,456.16x = 1,373,746,754.41
  5. Step 5: Solve for x
    x = 1,373,746,754.41/48,456.16
  6. Step 6: Final answer
    x = 28,350.30

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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.