Home / 47,821.70-71,732.55-28,794.80

Finding the Fourth Proportional to 47,821.70, 71,732.55 and 28,794.80

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Solution

The fourth proportional to 47,821.70, 71,732.55 and 28,794.80 is: 43,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,821.70 : 71,732.55 = 28,794.80 : x
  2. Step 2: Convert to fraction form
    47,821.70/71,732.55 = 28,794.80/x
  3. Step 3: Cross multiply
    47,821.70x = 71,732.55 × 28,794.80
  4. Step 4: Simplify right side
    47,821.70x = 2,065,524,430.74
  5. Step 5: Solve for x
    x = 2,065,524,430.74/47,821.70
  6. Step 6: Final answer
    x = 43,192.20

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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.