Home / 51,932.54-71,660.90-31,801.21

Finding the Fourth Proportional to 51,932.54, 71,660.90 and 31,801.21

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Solution

The fourth proportional to 51,932.54, 71,660.90 and 31,801.21 is: 43,881.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,932.54 : 71,660.90 = 31,801.21 : x
  2. Step 2: Convert to fraction form
    51,932.54/71,660.90 = 31,801.21/x
  3. Step 3: Cross multiply
    51,932.54x = 71,660.90 × 31,801.21
  4. Step 4: Simplify right side
    51,932.54x = 2,278,903,230.04
  5. Step 5: Solve for x
    x = 2,278,903,230.04/51,932.54
  6. Step 6: Final answer
    x = 43,881.99

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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.