Home / 47,780.58-71,670.47-12,241.83

Finding the Fourth Proportional to 47,780.58, 71,670.47 and 12,241.83

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Solution

The fourth proportional to 47,780.58, 71,670.47 and 12,241.83 is: 18,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780.58 : 71,670.47 = 12,241.83 : x
  2. Step 2: Convert to fraction form
    47,780.58/71,670.47 = 12,241.83/x
  3. Step 3: Cross multiply
    47,780.58x = 71,670.47 × 12,241.83
  4. Step 4: Simplify right side
    47,780.58x = 877,377,648.55
  5. Step 5: Solve for x
    x = 877,377,648.55/47,780.58
  6. Step 6: Final answer
    x = 18,362.64

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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.