Home / 47,907.52-71,855.61-12,849.64

Finding the Fourth Proportional to 47,907.52, 71,855.61 and 12,849.64

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Solution

The fourth proportional to 47,907.52, 71,855.61 and 12,849.64 is: 19,272.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,907.52 : 71,855.61 = 12,849.64 : x
  2. Step 2: Convert to fraction form
    47,907.52/71,855.61 = 12,849.64/x
  3. Step 3: Cross multiply
    47,907.52x = 71,855.61 × 12,849.64
  4. Step 4: Simplify right side
    47,907.52x = 923,318,720.48
  5. Step 5: Solve for x
    x = 923,318,720.48/47,907.52
  6. Step 6: Final answer
    x = 19,272.94

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1.5x scale

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.