Home / 31,540.36-47,341.66-16,749.23

Finding the Fourth Proportional to 31,540.36, 47,341.66 and 16,749.23

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Solution

The fourth proportional to 31,540.36, 47,341.66 and 16,749.23 is: 25,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,540.36 : 47,341.66 = 16,749.23 : x
  2. Step 2: Convert to fraction form
    31,540.36/47,341.66 = 16,749.23/x
  3. Step 3: Cross multiply
    31,540.36x = 47,341.66 × 16,749.23
  4. Step 4: Simplify right side
    31,540.36x = 792,936,359.27
  5. Step 5: Solve for x
    x = 792,936,359.27/31,540.36
  6. Step 6: Final answer
    x = 25,140.37

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1.5x scale

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.