Home / 31,660.26-47,493.02-8,286.63

Finding the Fourth Proportional to 31,660.26, 47,493.02 and 8,286.63

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Solution

The fourth proportional to 31,660.26, 47,493.02 and 8,286.63 is: 12,430.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,660.26 : 47,493.02 = 8,286.63 : x
  2. Step 2: Convert to fraction form
    31,660.26/47,493.02 = 8,286.63/x
  3. Step 3: Cross multiply
    31,660.26x = 47,493.02 × 8,286.63
  4. Step 4: Simplify right side
    31,660.26x = 393,557,084.32
  5. Step 5: Solve for x
    x = 393,557,084.32/31,660.26
  6. Step 6: Final answer
    x = 12,430.63

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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.