Home / 47,764.73-71,646.84-12,225.98

Finding the Fourth Proportional to 47,764.73, 71,646.84 and 12,225.98

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Solution

The fourth proportional to 47,764.73, 71,646.84 and 12,225.98 is: 18,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,764.73 : 71,646.84 = 12,225.98 : x
  2. Step 2: Convert to fraction form
    47,764.73/71,646.84 = 12,225.98/x
  3. Step 3: Cross multiply
    47,764.73x = 71,646.84 × 12,225.98
  4. Step 4: Simplify right side
    47,764.73x = 875,952,832.90
  5. Step 5: Solve for x
    x = 875,952,832.90/47,764.73
  6. Step 6: Final answer
    x = 18,338.90

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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.