Home / 40,163.57-55,432.59-23,164.77

Finding the Fourth Proportional to 40,163.57, 55,432.59 and 23,164.77

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Solution

The fourth proportional to 40,163.57, 55,432.59 and 23,164.77 is: 31,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,163.57 : 55,432.59 = 23,164.77 : x
  2. Step 2: Convert to fraction form
    40,163.57/55,432.59 = 23,164.77/x
  3. Step 3: Cross multiply
    40,163.57x = 55,432.59 × 23,164.77
  4. Step 4: Simplify right side
    40,163.57x = 1,284,083,338.63
  5. Step 5: Solve for x
    x = 1,284,083,338.63/40,163.57
  6. Step 6: Final answer
    x = 31,971.34

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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.