Home / 52,662.08-78,982.30-19,370.56

Finding the Fourth Proportional to 52,662.08, 78,982.30 and 19,370.56

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Solution

The fourth proportional to 52,662.08, 78,982.30 and 19,370.56 is: 29,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,662.08 : 78,982.30 = 19,370.56 : x
  2. Step 2: Convert to fraction form
    52,662.08/78,982.30 = 19,370.56/x
  3. Step 3: Cross multiply
    52,662.08x = 78,982.30 × 19,370.56
  4. Step 4: Simplify right side
    52,662.08x = 1,529,931,381.09
  5. Step 5: Solve for x
    x = 1,529,931,381.09/52,662.08
  6. Step 6: Final answer
    x = 29,051.86

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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.