Home / 47,855.17-71,777.29-12,797.56

Finding the Fourth Proportional to 47,855.17, 71,777.29 and 12,797.56

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Solution

The fourth proportional to 47,855.17, 71,777.29 and 12,797.56 is: 19,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,855.17 : 71,777.29 = 12,797.56 : x
  2. Step 2: Convert to fraction form
    47,855.17/71,777.29 = 12,797.56/x
  3. Step 3: Cross multiply
    47,855.17x = 71,777.29 × 12,797.56
  4. Step 4: Simplify right side
    47,855.17x = 918,574,257.14
  5. Step 5: Solve for x
    x = 918,574,257.14/47,855.17
  6. Step 6: Final answer
    x = 19,194.88

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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.