Home / 47,451.70-71,142.09-28,727.23

Finding the Fourth Proportional to 47,451.70, 71,142.09 and 28,727.23

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Solution

The fourth proportional to 47,451.70, 71,142.09 and 28,727.23 is: 43,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,451.70 : 71,142.09 = 28,727.23 : x
  2. Step 2: Convert to fraction form
    47,451.70/71,142.09 = 28,727.23/x
  3. Step 3: Cross multiply
    47,451.70x = 71,142.09 × 28,727.23
  4. Step 4: Simplify right side
    47,451.70x = 2,043,715,111.98
  5. Step 5: Solve for x
    x = 2,043,715,111.98/47,451.70
  6. Step 6: Final answer
    x = 43,069.37

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1.5x scale

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.