Home / 31,873.20-47,809.80-16,321.20

Finding the Fourth Proportional to 31,873.20, 47,809.80 and 16,321.20

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Solution

The fourth proportional to 31,873.20, 47,809.80 and 16,321.20 is: 24,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,873.20 : 47,809.80 = 16,321.20 : x
  2. Step 2: Convert to fraction form
    31,873.20/47,809.80 = 16,321.20/x
  3. Step 3: Cross multiply
    31,873.20x = 47,809.80 × 16,321.20
  4. Step 4: Simplify right side
    31,873.20x = 780,313,307.76
  5. Step 5: Solve for x
    x = 780,313,307.76/31,873.20
  6. Step 6: Final answer
    x = 24,481.80

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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.