Home / 31,717.80-47,544.30-18,563.40

Finding the Fourth Proportional to 31,717.80, 47,544.30 and 18,563.40

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Solution

The fourth proportional to 31,717.80, 47,544.30 and 18,563.40 is: 27,826.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,717.80 : 47,544.30 = 18,563.40 : x
  2. Step 2: Convert to fraction form
    31,717.80/47,544.30 = 18,563.40/x
  3. Step 3: Cross multiply
    31,717.80x = 47,544.30 × 18,563.40
  4. Step 4: Simplify right side
    31,717.80x = 882,583,858.62
  5. Step 5: Solve for x
    x = 882,583,858.62/31,717.80
  6. Step 6: Final answer
    x = 27,826.14

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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.