Home / 40,102.12-55,327.37-23,105.93

Finding the Fourth Proportional to 40,102.12, 55,327.37 and 23,105.93

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Solution

The fourth proportional to 40,102.12, 55,327.37 and 23,105.93 is: 31,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102.12 : 55,327.37 = 23,105.93 : x
  2. Step 2: Convert to fraction form
    40,102.12/55,327.37 = 23,105.93/x
  3. Step 3: Cross multiply
    40,102.12x = 55,327.37 × 23,105.93
  4. Step 4: Simplify right side
    40,102.12x = 1,278,390,076.11
  5. Step 5: Solve for x
    x = 1,278,390,076.11/40,102.12
  6. Step 6: Final answer
    x = 31,878.37

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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.