Home / 52,304.78-78,490.53-19,021.65

Finding the Fourth Proportional to 52,304.78, 78,490.53 and 19,021.65

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Solution

The fourth proportional to 52,304.78, 78,490.53 and 19,021.65 is: 28,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,304.78 : 78,490.53 = 19,021.65 : x
  2. Step 2: Convert to fraction form
    52,304.78/78,490.53 = 19,021.65/x
  3. Step 3: Cross multiply
    52,304.78x = 78,490.53 × 19,021.65
  4. Step 4: Simplify right side
    52,304.78x = 1,493,019,389.97
  5. Step 5: Solve for x
    x = 1,493,019,389.97/52,304.78
  6. Step 6: Final answer
    x = 28,544.61

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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.