Home / 31,493.90-47,243.36-10,433.09

Finding the Fourth Proportional to 31,493.90, 47,243.36 and 10,433.09

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Solution

The fourth proportional to 31,493.90, 47,243.36 and 10,433.09 is: 15,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493.90 : 47,243.36 = 10,433.09 : x
  2. Step 2: Convert to fraction form
    31,493.90/47,243.36 = 10,433.09/x
  3. Step 3: Cross multiply
    31,493.90x = 47,243.36 × 10,433.09
  4. Step 4: Simplify right side
    31,493.90x = 492,894,370.97
  5. Step 5: Solve for x
    x = 492,894,370.97/31,493.90
  6. Step 6: Final answer
    x = 15,650.47

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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.