Home / 52,650.96-78,998.04-21,489.36

Finding the Fourth Proportional to 52,650.96, 78,998.04 and 21,489.36

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Solution

The fourth proportional to 52,650.96, 78,998.04 and 21,489.36 is: 32,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,650.96 : 78,998.04 = 21,489.36 : x
  2. Step 2: Convert to fraction form
    52,650.96/78,998.04 = 21,489.36/x
  3. Step 3: Cross multiply
    52,650.96x = 78,998.04 × 21,489.36
  4. Step 4: Simplify right side
    52,650.96x = 1,697,617,320.85
  5. Step 5: Solve for x
    x = 1,697,617,320.85/52,650.96
  6. Step 6: Final answer
    x = 32,242.86

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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.