Home / 39,958.14-55,162.97-29,190.93

Finding the Fourth Proportional to 39,958.14, 55,162.97 and 29,190.93

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Solution

The fourth proportional to 39,958.14, 55,162.97 and 29,190.93 is: 40,298.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958.14 : 55,162.97 = 29,190.93 : x
  2. Step 2: Convert to fraction form
    39,958.14/55,162.97 = 29,190.93/x
  3. Step 3: Cross multiply
    39,958.14x = 55,162.97 × 29,190.93
  4. Step 4: Simplify right side
    39,958.14x = 1,610,258,395.86
  5. Step 5: Solve for x
    x = 1,610,258,395.86/39,958.14
  6. Step 6: Final answer
    x = 40,298.63

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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.