Home / 50,912.31-70,257.92-28,251.11

Finding the Fourth Proportional to 50,912.31, 70,257.92 and 28,251.11

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Solution

The fourth proportional to 50,912.31, 70,257.92 and 28,251.11 is: 38,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,912.31 : 70,257.92 = 28,251.11 : x
  2. Step 2: Convert to fraction form
    50,912.31/70,257.92 = 28,251.11/x
  3. Step 3: Cross multiply
    50,912.31x = 70,257.92 × 28,251.11
  4. Step 4: Simplify right side
    50,912.31x = 1,984,863,875.00
  5. Step 5: Solve for x
    x = 1,984,863,875.00/50,912.31
  6. Step 6: Final answer
    x = 38,985.93

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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.