Home / 31,681.48-47,512.62-16,680.44

Finding the Fourth Proportional to 31,681.48, 47,512.62 and 16,680.44

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Solution

The fourth proportional to 31,681.48, 47,512.62 and 16,680.44 is: 25,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681.48 : 47,512.62 = 16,680.44 : x
  2. Step 2: Convert to fraction form
    31,681.48/47,512.62 = 16,680.44/x
  3. Step 3: Cross multiply
    31,681.48x = 47,512.62 × 16,680.44
  4. Step 4: Simplify right side
    31,681.48x = 792,531,407.15
  5. Step 5: Solve for x
    x = 792,531,407.15/31,681.48
  6. Step 6: Final answer
    x = 25,015.61

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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.