Home / 43,324.10-64,992.34-13,340.87

Finding the Fourth Proportional to 43,324.10, 64,992.34 and 13,340.87

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Solution

The fourth proportional to 43,324.10, 64,992.34 and 13,340.87 is: 20,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,324.10 : 64,992.34 = 13,340.87 : x
  2. Step 2: Convert to fraction form
    43,324.10/64,992.34 = 13,340.87/x
  3. Step 3: Cross multiply
    43,324.10x = 64,992.34 × 13,340.87
  4. Step 4: Simplify right side
    43,324.10x = 867,054,358.94
  5. Step 5: Solve for x
    x = 867,054,358.94/43,324.10
  6. Step 6: Final answer
    x = 20,013.21

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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.