Home / 52,262.04-78,391.94-12,819.36

Finding the Fourth Proportional to 52,262.04, 78,391.94 and 12,819.36

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Solution

The fourth proportional to 52,262.04, 78,391.94 and 12,819.36 is: 19,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,262.04 : 78,391.94 = 12,819.36 : x
  2. Step 2: Convert to fraction form
    52,262.04/78,391.94 = 12,819.36/x
  3. Step 3: Cross multiply
    52,262.04x = 78,391.94 × 12,819.36
  4. Step 4: Simplify right side
    52,262.04x = 1,004,934,499.96
  5. Step 5: Solve for x
    x = 1,004,934,499.96/52,262.04
  6. Step 6: Final answer
    x = 19,228.77

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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.