Home / 31,992.20-48,002.70-15,345.80

Finding the Fourth Proportional to 31,992.20, 48,002.70 and 15,345.80

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Solution

The fourth proportional to 31,992.20, 48,002.70 and 15,345.80 is: 23,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,992.20 : 48,002.70 = 15,345.80 : x
  2. Step 2: Convert to fraction form
    31,992.20/48,002.70 = 15,345.80/x
  3. Step 3: Cross multiply
    31,992.20x = 48,002.70 × 15,345.80
  4. Step 4: Simplify right side
    31,992.20x = 736,639,833.66
  5. Step 5: Solve for x
    x = 736,639,833.66/31,992.20
  6. Step 6: Final answer
    x = 23,025.61

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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.