Home / 57,270.26-85,905.49-23,512.77

Finding the Fourth Proportional to 57,270.26, 85,905.49 and 23,512.77

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Solution

The fourth proportional to 57,270.26, 85,905.49 and 23,512.77 is: 35,269.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,270.26 : 85,905.49 = 23,512.77 : x
  2. Step 2: Convert to fraction form
    57,270.26/85,905.49 = 23,512.77/x
  3. Step 3: Cross multiply
    57,270.26x = 85,905.49 × 23,512.77
  4. Step 4: Simplify right side
    57,270.26x = 2,019,875,694.87
  5. Step 5: Solve for x
    x = 2,019,875,694.87/57,270.26
  6. Step 6: Final answer
    x = 35,269.19

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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.