Home / 31,083.01-42,893.35-16,935.96

Finding the Fourth Proportional to 31,083.01, 42,893.35 and 16,935.96

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Solution

The fourth proportional to 31,083.01, 42,893.35 and 16,935.96 is: 23,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,083.01 : 42,893.35 = 16,935.96 : x
  2. Step 2: Convert to fraction form
    31,083.01/42,893.35 = 16,935.96/x
  3. Step 3: Cross multiply
    31,083.01x = 42,893.35 × 16,935.96
  4. Step 4: Simplify right side
    31,083.01x = 726,440,059.87
  5. Step 5: Solve for x
    x = 726,440,059.87/31,083.01
  6. Step 6: Final answer
    x = 23,370.97

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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.