Home / 50,082.07-75,123.11-12,644.39

Finding the Fourth Proportional to 50,082.07, 75,123.11 and 12,644.39

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Solution

The fourth proportional to 50,082.07, 75,123.11 and 12,644.39 is: 18,966.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,082.07 : 75,123.11 = 12,644.39 : x
  2. Step 2: Convert to fraction form
    50,082.07/75,123.11 = 12,644.39/x
  3. Step 3: Cross multiply
    50,082.07x = 75,123.11 × 12,644.39
  4. Step 4: Simplify right side
    50,082.07x = 949,885,961.29
  5. Step 5: Solve for x
    x = 949,885,961.29/50,082.07
  6. Step 6: Final answer
    x = 18,966.59

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Similar ratio
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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.