Home / 47,855.88-71,788.68-18,298.58

Finding the Fourth Proportional to 47,855.88, 71,788.68 and 18,298.58

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Solution

The fourth proportional to 47,855.88, 71,788.68 and 18,298.58 is: 27,449.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,855.88 : 71,788.68 = 18,298.58 : x
  2. Step 2: Convert to fraction form
    47,855.88/71,788.68 = 18,298.58/x
  3. Step 3: Cross multiply
    47,855.88x = 71,788.68 × 18,298.58
  4. Step 4: Simplify right side
    47,855.88x = 1,313,630,545.13
  5. Step 5: Solve for x
    x = 1,313,630,545.13/47,855.88
  6. Step 6: Final answer
    x = 27,449.72

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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.