Home / 31,099.89-42,917.84-16,952.73

Finding the Fourth Proportional to 31,099.89, 42,917.84 and 16,952.73

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Solution

The fourth proportional to 31,099.89, 42,917.84 and 16,952.73 is: 23,394.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,099.89 : 42,917.84 = 16,952.73 : x
  2. Step 2: Convert to fraction form
    31,099.89/42,917.84 = 16,952.73/x
  3. Step 3: Cross multiply
    31,099.89x = 42,917.84 × 16,952.73
  4. Step 4: Simplify right side
    31,099.89x = 727,574,596.09
  5. Step 5: Solve for x
    x = 727,574,596.09/31,099.89
  6. Step 6: Final answer
    x = 23,394.76

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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.