Home / 47,855.15-71,777.24-12,797.54

Finding the Fourth Proportional to 47,855.15, 71,777.24 and 12,797.54

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Solution

The fourth proportional to 47,855.15, 71,777.24 and 12,797.54 is: 19,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,855.15 : 71,777.24 = 12,797.54 : x
  2. Step 2: Convert to fraction form
    47,855.15/71,777.24 = 12,797.54/x
  3. Step 3: Cross multiply
    47,855.15x = 71,777.24 × 12,797.54
  4. Step 4: Simplify right side
    47,855.15x = 918,572,398.02
  5. Step 5: Solve for x
    x = 918,572,398.02/47,855.15
  6. Step 6: Final answer
    x = 19,194.85

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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.