Home / 31,098.62-42,915.87-16,951.56

Finding the Fourth Proportional to 31,098.62, 42,915.87 and 16,951.56

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Solution

The fourth proportional to 31,098.62, 42,915.87 and 16,951.56 is: 23,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,098.62 : 42,915.87 = 16,951.56 : x
  2. Step 2: Convert to fraction form
    31,098.62/42,915.87 = 16,951.56/x
  3. Step 3: Cross multiply
    31,098.62x = 42,915.87 × 16,951.56
  4. Step 4: Simplify right side
    31,098.62x = 727,490,945.26
  5. Step 5: Solve for x
    x = 727,490,945.26/31,098.62
  6. Step 6: Final answer
    x = 23,393.03

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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.