Home / 47,843.04-71,723.52-18,240

Finding the Fourth Proportional to 47,843.04, 71,723.52 and 18,240

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Solution

The fourth proportional to 47,843.04, 71,723.52 and 18,240 is: 27,344.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,843.04 : 71,723.52 = 18,240 : x
  2. Step 2: Convert to fraction form
    47,843.04/71,723.52 = 18,240/x
  3. Step 3: Cross multiply
    47,843.04x = 71,723.52 × 18,240
  4. Step 4: Simplify right side
    47,843.04x = 1,308,237,004.80
  5. Step 5: Solve for x
    x = 1,308,237,004.80/47,843.04
  6. Step 6: Final answer
    x = 27,344.35

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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.