Home / 50,140.09-69,193.32-27,478.87

Finding the Fourth Proportional to 50,140.09, 69,193.32 and 27,478.87

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Solution

The fourth proportional to 50,140.09, 69,193.32 and 27,478.87 is: 37,920.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,140.09 : 69,193.32 = 27,478.87 : x
  2. Step 2: Convert to fraction form
    50,140.09/69,193.32 = 27,478.87/x
  3. Step 3: Cross multiply
    50,140.09x = 69,193.32 × 27,478.87
  4. Step 4: Simplify right side
    50,140.09x = 1,901,354,245.15
  5. Step 5: Solve for x
    x = 1,901,354,245.15/50,140.09
  6. Step 6: Final answer
    x = 37,920.84

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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.