Home / 38,912.58-58,381.17-13,951.98

Finding the Fourth Proportional to 38,912.58, 58,381.17 and 13,951.98

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Solution

The fourth proportional to 38,912.58, 58,381.17 and 13,951.98 is: 20,932.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,912.58 : 58,381.17 = 13,951.98 : x
  2. Step 2: Convert to fraction form
    38,912.58/58,381.17 = 13,951.98/x
  3. Step 3: Cross multiply
    38,912.58x = 58,381.17 × 13,951.98
  4. Step 4: Simplify right side
    38,912.58x = 814,532,916.22
  5. Step 5: Solve for x
    x = 814,532,916.22/38,912.58
  6. Step 6: Final answer
    x = 20,932.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.