Home / 47,856.47-71,787.62-14,578.97

Finding the Fourth Proportional to 47,856.47, 71,787.62 and 14,578.97

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Solution

The fourth proportional to 47,856.47, 71,787.62 and 14,578.97 is: 21,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,856.47 : 71,787.62 = 14,578.97 : x
  2. Step 2: Convert to fraction form
    47,856.47/71,787.62 = 14,578.97/x
  3. Step 3: Cross multiply
    47,856.47x = 71,787.62 × 14,578.97
  4. Step 4: Simplify right side
    47,856.47x = 1,046,589,485.46
  5. Step 5: Solve for x
    x = 1,046,589,485.46/47,856.47
  6. Step 6: Final answer
    x = 21,869.34

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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.