Home / 40,122.77-55,369.03-23,120.77

Finding the Fourth Proportional to 40,122.77, 55,369.03 and 23,120.77

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Solution

The fourth proportional to 40,122.77, 55,369.03 and 23,120.77 is: 31,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,122.77 : 55,369.03 = 23,120.77 : x
  2. Step 2: Convert to fraction form
    40,122.77/55,369.03 = 23,120.77/x
  3. Step 3: Cross multiply
    40,122.77x = 55,369.03 × 23,120.77
  4. Step 4: Simplify right side
    40,122.77x = 1,280,174,607.75
  5. Step 5: Solve for x
    x = 1,280,174,607.75/40,122.77
  6. Step 6: Final answer
    x = 31,906.44

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1.5x scale

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.