Home / 31,110.96-42,932.76-16,963.92

Finding the Fourth Proportional to 31,110.96, 42,932.76 and 16,963.92

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Solution

The fourth proportional to 31,110.96, 42,932.76 and 16,963.92 is: 23,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,110.96 : 42,932.76 = 16,963.92 : x
  2. Step 2: Convert to fraction form
    31,110.96/42,932.76 = 16,963.92/x
  3. Step 3: Cross multiply
    31,110.96x = 42,932.76 × 16,963.92
  4. Step 4: Simplify right side
    31,110.96x = 728,307,906.02
  5. Step 5: Solve for x
    x = 728,307,906.02/31,110.96
  6. Step 6: Final answer
    x = 23,410.01

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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.