Home / 31,912.98-44,049.57-18,487.50

Finding the Fourth Proportional to 31,912.98, 44,049.57 and 18,487.50

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Solution

The fourth proportional to 31,912.98, 44,049.57 and 18,487.50 is: 25,518.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912.98 : 44,049.57 = 18,487.50 : x
  2. Step 2: Convert to fraction form
    31,912.98/44,049.57 = 18,487.50/x
  3. Step 3: Cross multiply
    31,912.98x = 44,049.57 × 18,487.50
  4. Step 4: Simplify right side
    31,912.98x = 814,366,425.38
  5. Step 5: Solve for x
    x = 814,366,425.38/31,912.98
  6. Step 6: Final answer
    x = 25,518.34

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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.