Home / 47,805.09-71,684.39-28,849.26

Finding the Fourth Proportional to 47,805.09, 71,684.39 and 28,849.26

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Solution

The fourth proportional to 47,805.09, 71,684.39 and 28,849.26 is: 43,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,805.09 : 71,684.39 = 28,849.26 : x
  2. Step 2: Convert to fraction form
    47,805.09/71,684.39 = 28,849.26/x
  3. Step 3: Cross multiply
    47,805.09x = 71,684.39 × 28,849.26
  4. Step 4: Simplify right side
    47,805.09x = 2,068,041,945.99
  5. Step 5: Solve for x
    x = 2,068,041,945.99/47,805.09
  6. Step 6: Final answer
    x = 43,259.87

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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.