Home / 47,425.36-71,136.50-14,145.70

Finding the Fourth Proportional to 47,425.36, 71,136.50 and 14,145.70

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Solution

The fourth proportional to 47,425.36, 71,136.50 and 14,145.70 is: 21,218.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,425.36 : 71,136.50 = 14,145.70 : x
  2. Step 2: Convert to fraction form
    47,425.36/71,136.50 = 14,145.70/x
  3. Step 3: Cross multiply
    47,425.36x = 71,136.50 × 14,145.70
  4. Step 4: Simplify right side
    47,425.36x = 1,006,275,588.05
  5. Step 5: Solve for x
    x = 1,006,275,588.05/47,425.36
  6. Step 6: Final answer
    x = 21,218.09

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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.