Home / 51,600.15-71,201.86-30,375.31

Finding the Fourth Proportional to 51,600.15, 71,201.86 and 30,375.31

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Solution

The fourth proportional to 51,600.15, 71,201.86 and 30,375.31 is: 41,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,600.15 : 71,201.86 = 30,375.31 : x
  2. Step 2: Convert to fraction form
    51,600.15/71,201.86 = 30,375.31/x
  3. Step 3: Cross multiply
    51,600.15x = 71,201.86 × 30,375.31
  4. Step 4: Simplify right side
    51,600.15x = 2,162,778,570.08
  5. Step 5: Solve for x
    x = 2,162,778,570.08/51,600.15
  6. Step 6: Final answer
    x = 41,914.19

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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.