Home / 52,500.75-78,726.49-19,197.53

Finding the Fourth Proportional to 52,500.75, 78,726.49 and 19,197.53

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Solution

The fourth proportional to 52,500.75, 78,726.49 and 19,197.53 is: 28,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,500.75 : 78,726.49 = 19,197.53 : x
  2. Step 2: Convert to fraction form
    52,500.75/78,726.49 = 19,197.53/x
  3. Step 3: Cross multiply
    52,500.75x = 78,726.49 × 19,197.53
  4. Step 4: Simplify right side
    52,500.75x = 1,511,353,759.94
  5. Step 5: Solve for x
    x = 1,511,353,759.94/52,500.75
  6. Step 6: Final answer
    x = 28,787.28

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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.