Home / 35,890.31-53,835.92-12,516.75

Finding the Fourth Proportional to 35,890.31, 53,835.92 and 12,516.75

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Solution

The fourth proportional to 35,890.31, 53,835.92 and 12,516.75 is: 18,775.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,890.31 : 53,835.92 = 12,516.75 : x
  2. Step 2: Convert to fraction form
    35,890.31/53,835.92 = 12,516.75/x
  3. Step 3: Cross multiply
    35,890.31x = 53,835.92 × 12,516.75
  4. Step 4: Simplify right side
    35,890.31x = 673,850,806.42
  5. Step 5: Solve for x
    x = 673,850,806.42/35,890.31
  6. Step 6: Final answer
    x = 18,775.28

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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.