Home / 47,822.40-71,730.81-18,243.23

Finding the Fourth Proportional to 47,822.40, 71,730.81 and 18,243.23

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Solution

The fourth proportional to 47,822.40, 71,730.81 and 18,243.23 is: 27,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,822.40 : 71,730.81 = 18,243.23 : x
  2. Step 2: Convert to fraction form
    47,822.40/71,730.81 = 18,243.23/x
  3. Step 3: Cross multiply
    47,822.40x = 71,730.81 × 18,243.23
  4. Step 4: Simplify right side
    47,822.40x = 1,308,601,306.26
  5. Step 5: Solve for x
    x = 1,308,601,306.26/47,822.40
  6. Step 6: Final answer
    x = 27,363.77

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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.