Home / 31,939.56-44,119.62-28,958.76

Finding the Fourth Proportional to 31,939.56, 44,119.62 and 28,958.76

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Solution

The fourth proportional to 31,939.56, 44,119.62 and 28,958.76 is: 40,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,939.56 : 44,119.62 = 28,958.76 : x
  2. Step 2: Convert to fraction form
    31,939.56/44,119.62 = 28,958.76/x
  3. Step 3: Cross multiply
    31,939.56x = 44,119.62 × 28,958.76
  4. Step 4: Simplify right side
    31,939.56x = 1,277,649,486.87
  5. Step 5: Solve for x
    x = 1,277,649,486.87/31,939.56
  6. Step 6: Final answer
    x = 40,002.10

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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.