Home / 31,352.82-47,031.96-10,286.54

Finding the Fourth Proportional to 31,352.82, 47,031.96 and 10,286.54

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Solution

The fourth proportional to 31,352.82, 47,031.96 and 10,286.54 is: 15,430.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352.82 : 47,031.96 = 10,286.54 : x
  2. Step 2: Convert to fraction form
    31,352.82/47,031.96 = 10,286.54/x
  3. Step 3: Cross multiply
    31,352.82x = 47,031.96 × 10,286.54
  4. Step 4: Simplify right side
    31,352.82x = 483,796,137.82
  5. Step 5: Solve for x
    x = 483,796,137.82/31,352.82
  6. Step 6: Final answer
    x = 15,430.71

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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.