Home / 38,307.54-57,453-12,008.82

Finding the Fourth Proportional to 38,307.54, 57,453 and 12,008.82

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Solution

The fourth proportional to 38,307.54, 57,453 and 12,008.82 is: 18,010.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307.54 : 57,453 = 12,008.82 : x
  2. Step 2: Convert to fraction form
    38,307.54/57,453 = 12,008.82/x
  3. Step 3: Cross multiply
    38,307.54x = 57,453 × 12,008.82
  4. Step 4: Simplify right side
    38,307.54x = 689,942,735.46
  5. Step 5: Solve for x
    x = 689,942,735.46/38,307.54
  6. Step 6: Final answer
    x = 18,010.62

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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.