Home / 31,329.27-47,016.50-12,356.73

Finding the Fourth Proportional to 31,329.27, 47,016.50 and 12,356.73

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Solution

The fourth proportional to 31,329.27, 47,016.50 and 12,356.73 is: 18,544.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329.27 : 47,016.50 = 12,356.73 : x
  2. Step 2: Convert to fraction form
    31,329.27/47,016.50 = 12,356.73/x
  3. Step 3: Cross multiply
    31,329.27x = 47,016.50 × 12,356.73
  4. Step 4: Simplify right side
    31,329.27x = 580,970,134.26
  5. Step 5: Solve for x
    x = 580,970,134.26/31,329.27
  6. Step 6: Final answer
    x = 18,544.00

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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.