Home / 47,675.30-71,513.38-12,136.66

Finding the Fourth Proportional to 47,675.30, 71,513.38 and 12,136.66

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Solution

The fourth proportional to 47,675.30, 71,513.38 and 12,136.66 is: 18,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,675.30 : 71,513.38 = 12,136.66 : x
  2. Step 2: Convert to fraction form
    47,675.30/71,513.38 = 12,136.66/x
  3. Step 3: Cross multiply
    47,675.30x = 71,513.38 × 12,136.66
  4. Step 4: Simplify right side
    47,675.30x = 867,933,578.51
  5. Step 5: Solve for x
    x = 867,933,578.51/47,675.30
  6. Step 6: Final answer
    x = 18,205.10

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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.