Home / 47,415.47-71,123.79-14,136.62

Finding the Fourth Proportional to 47,415.47, 71,123.79 and 14,136.62

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Solution

The fourth proportional to 47,415.47, 71,123.79 and 14,136.62 is: 21,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,415.47 : 71,123.79 = 14,136.62 : x
  2. Step 2: Convert to fraction form
    47,415.47/71,123.79 = 14,136.62/x
  3. Step 3: Cross multiply
    47,415.47x = 71,123.79 × 14,136.62
  4. Step 4: Simplify right side
    47,415.47x = 1,005,449,992.19
  5. Step 5: Solve for x
    x = 1,005,449,992.19/47,415.47
  6. Step 6: Final answer
    x = 21,205.10

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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.