Home / 52,812.27-72,881.37-28,939.41

Finding the Fourth Proportional to 52,812.27, 72,881.37 and 28,939.41

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Solution

The fourth proportional to 52,812.27, 72,881.37 and 28,939.41 is: 39,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,812.27 : 72,881.37 = 28,939.41 : x
  2. Step 2: Convert to fraction form
    52,812.27/72,881.37 = 28,939.41/x
  3. Step 3: Cross multiply
    52,812.27x = 72,881.37 × 28,939.41
  4. Step 4: Simplify right side
    52,812.27x = 2,109,143,847.79
  5. Step 5: Solve for x
    x = 2,109,143,847.79/52,812.27
  6. Step 6: Final answer
    x = 39,936.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.