Home / 31,890.96-47,805.84-15,246.54

Finding the Fourth Proportional to 31,890.96, 47,805.84 and 15,246.54

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Solution

The fourth proportional to 31,890.96, 47,805.84 and 15,246.54 is: 22,855.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,890.96 : 47,805.84 = 15,246.54 : x
  2. Step 2: Convert to fraction form
    31,890.96/47,805.84 = 15,246.54/x
  3. Step 3: Cross multiply
    31,890.96x = 47,805.84 × 15,246.54
  4. Step 4: Simplify right side
    31,890.96x = 728,873,651.79
  5. Step 5: Solve for x
    x = 728,873,651.79/31,890.96
  6. Step 6: Final answer
    x = 22,855.18

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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.