Home / 51,327.07-70,790.70-31,183.38

Finding the Fourth Proportional to 51,327.07, 70,790.70 and 31,183.38

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Solution

The fourth proportional to 51,327.07, 70,790.70 and 31,183.38 is: 43,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,327.07 : 70,790.70 = 31,183.38 : x
  2. Step 2: Convert to fraction form
    51,327.07/70,790.70 = 31,183.38/x
  3. Step 3: Cross multiply
    51,327.07x = 70,790.70 × 31,183.38
  4. Step 4: Simplify right side
    51,327.07x = 2,207,493,298.57
  5. Step 5: Solve for x
    x = 2,207,493,298.57/51,327.07
  6. Step 6: Final answer
    x = 43,008.36

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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.