Home / 47,486.68-71,234.82-12,426.64

Finding the Fourth Proportional to 47,486.68, 71,234.82 and 12,426.64

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Solution

The fourth proportional to 47,486.68, 71,234.82 and 12,426.64 is: 18,641.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,486.68 : 71,234.82 = 12,426.64 : x
  2. Step 2: Convert to fraction form
    47,486.68/71,234.82 = 12,426.64/x
  3. Step 3: Cross multiply
    47,486.68x = 71,234.82 × 12,426.64
  4. Step 4: Simplify right side
    47,486.68x = 885,209,463.60
  5. Step 5: Solve for x
    x = 885,209,463.60/47,486.68
  6. Step 6: Final answer
    x = 18,641.22

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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.