Home / 31,850.24-43,935.20-19,898.96

Finding the Fourth Proportional to 31,850.24, 43,935.20 and 19,898.96

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Solution

The fourth proportional to 31,850.24, 43,935.20 and 19,898.96 is: 27,449.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,850.24 : 43,935.20 = 19,898.96 : x
  2. Step 2: Convert to fraction form
    31,850.24/43,935.20 = 19,898.96/x
  3. Step 3: Cross multiply
    31,850.24x = 43,935.20 × 19,898.96
  4. Step 4: Simplify right side
    31,850.24x = 874,264,787.39
  5. Step 5: Solve for x
    x = 874,264,787.39/31,850.24
  6. Step 6: Final answer
    x = 27,449.24

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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.