Home / 38,534.73-57,811.34-12,239.49

Finding the Fourth Proportional to 38,534.73, 57,811.34 and 12,239.49

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Solution

The fourth proportional to 38,534.73, 57,811.34 and 12,239.49 is: 18,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,534.73 : 57,811.34 = 12,239.49 : x
  2. Step 2: Convert to fraction form
    38,534.73/57,811.34 = 12,239.49/x
  3. Step 3: Cross multiply
    38,534.73x = 57,811.34 × 12,239.49
  4. Step 4: Simplify right side
    38,534.73x = 707,581,317.82
  5. Step 5: Solve for x
    x = 707,581,317.82/38,534.73
  6. Step 6: Final answer
    x = 18,362.17

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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.