Home / 47,949.16-71,924.34-18,368.78

Finding the Fourth Proportional to 47,949.16, 71,924.34 and 18,368.78

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Solution

The fourth proportional to 47,949.16, 71,924.34 and 18,368.78 is: 27,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,949.16 : 71,924.34 = 18,368.78 : x
  2. Step 2: Convert to fraction form
    47,949.16/71,924.34 = 18,368.78/x
  3. Step 3: Cross multiply
    47,949.16x = 71,924.34 × 18,368.78
  4. Step 4: Simplify right side
    47,949.16x = 1,321,162,378.11
  5. Step 5: Solve for x
    x = 1,321,162,378.11/47,949.16
  6. Step 6: Final answer
    x = 27,553.40

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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.