Home / 31,316.59-43,217.03-16,976.66

Finding the Fourth Proportional to 31,316.59, 43,217.03 and 16,976.66

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Solution

The fourth proportional to 31,316.59, 43,217.03 and 16,976.66 is: 23,427.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,316.59 : 43,217.03 = 16,976.66 : x
  2. Step 2: Convert to fraction form
    31,316.59/43,217.03 = 16,976.66/x
  3. Step 3: Cross multiply
    31,316.59x = 43,217.03 × 16,976.66
  4. Step 4: Simplify right side
    31,316.59x = 733,680,975.00
  5. Step 5: Solve for x
    x = 733,680,975.00/31,316.59
  6. Step 6: Final answer
    x = 23,427.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.