Home / 52,470.85-78,717.98-19,190.18

Finding the Fourth Proportional to 52,470.85, 78,717.98 and 19,190.18

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Solution

The fourth proportional to 52,470.85, 78,717.98 and 19,190.18 is: 28,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,470.85 : 78,717.98 = 19,190.18 : x
  2. Step 2: Convert to fraction form
    52,470.85/78,717.98 = 19,190.18/x
  3. Step 3: Cross multiply
    52,470.85x = 78,717.98 × 19,190.18
  4. Step 4: Simplify right side
    52,470.85x = 1,510,612,205.44
  5. Step 5: Solve for x
    x = 1,510,612,205.44/52,470.85
  6. Step 6: Final answer
    x = 28,789.55

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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.