Home / 47,938.82-71,903.37-12,873.92

Finding the Fourth Proportional to 47,938.82, 71,903.37 and 12,873.92

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Solution

The fourth proportional to 47,938.82, 71,903.37 and 12,873.92 is: 19,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,938.82 : 71,903.37 = 12,873.92 : x
  2. Step 2: Convert to fraction form
    47,938.82/71,903.37 = 12,873.92/x
  3. Step 3: Cross multiply
    47,938.82x = 71,903.37 × 12,873.92
  4. Step 4: Simplify right side
    47,938.82x = 925,678,233.11
  5. Step 5: Solve for x
    x = 925,678,233.11/47,938.82
  6. Step 6: Final answer
    x = 19,309.57

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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.