Home / 48,671.62-72,979.46-19,054.78

Finding the Fourth Proportional to 48,671.62, 72,979.46 and 19,054.78

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Solution

The fourth proportional to 48,671.62, 72,979.46 and 19,054.78 is: 28,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,671.62 : 72,979.46 = 19,054.78 : x
  2. Step 2: Convert to fraction form
    48,671.62/72,979.46 = 19,054.78/x
  3. Step 3: Cross multiply
    48,671.62x = 72,979.46 × 19,054.78
  4. Step 4: Simplify right side
    48,671.62x = 1,390,607,554.82
  5. Step 5: Solve for x
    x = 1,390,607,554.82/48,671.62
  6. Step 6: Final answer
    x = 28,571.22

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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.