Home / 31,117.44-46,674.24-12,648.96

Finding the Fourth Proportional to 31,117.44, 46,674.24 and 12,648.96

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Solution

The fourth proportional to 31,117.44, 46,674.24 and 12,648.96 is: 18,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,117.44 : 46,674.24 = 12,648.96 : x
  2. Step 2: Convert to fraction form
    31,117.44/46,674.24 = 12,648.96/x
  3. Step 3: Cross multiply
    31,117.44x = 46,674.24 × 12,648.96
  4. Step 4: Simplify right side
    31,117.44x = 590,380,594.79
  5. Step 5: Solve for x
    x = 590,380,594.79/31,117.44
  6. Step 6: Final answer
    x = 18,972.66

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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.