Home / 47,673.14-71,513.12-12,612.38

Finding the Fourth Proportional to 47,673.14, 71,513.12 and 12,612.38

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Solution

The fourth proportional to 47,673.14, 71,513.12 and 12,612.38 is: 18,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,673.14 : 71,513.12 = 12,612.38 : x
  2. Step 2: Convert to fraction form
    47,673.14/71,513.12 = 12,612.38/x
  3. Step 3: Cross multiply
    47,673.14x = 71,513.12 × 12,612.38
  4. Step 4: Simplify right side
    47,673.14x = 901,950,318.39
  5. Step 5: Solve for x
    x = 901,950,318.39/47,673.14
  6. Step 6: Final answer
    x = 18,919.47

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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.