Home / 47,984.10-71,976.15-16,815.30

Finding the Fourth Proportional to 47,984.10, 71,976.15 and 16,815.30

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Solution

The fourth proportional to 47,984.10, 71,976.15 and 16,815.30 is: 25,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,984.10 : 71,976.15 = 16,815.30 : x
  2. Step 2: Convert to fraction form
    47,984.10/71,976.15 = 16,815.30/x
  3. Step 3: Cross multiply
    47,984.10x = 71,976.15 × 16,815.30
  4. Step 4: Simplify right side
    47,984.10x = 1,210,300,555.10
  5. Step 5: Solve for x
    x = 1,210,300,555.10/47,984.10
  6. Step 6: Final answer
    x = 25,222.95

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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.