Home / 38,082.06-57,123.18-13,122.72

Finding the Fourth Proportional to 38,082.06, 57,123.18 and 13,122.72

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Solution

The fourth proportional to 38,082.06, 57,123.18 and 13,122.72 is: 19,684.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,082.06 : 57,123.18 = 13,122.72 : x
  2. Step 2: Convert to fraction form
    38,082.06/57,123.18 = 13,122.72/x
  3. Step 3: Cross multiply
    38,082.06x = 57,123.18 × 13,122.72
  4. Step 4: Simplify right side
    38,082.06x = 749,611,496.65
  5. Step 5: Solve for x
    x = 749,611,496.65/38,082.06
  6. Step 6: Final answer
    x = 19,684.11

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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.