Home / 50,295.12-69,412.78-28,786.84

Finding the Fourth Proportional to 50,295.12, 69,412.78 and 28,786.84

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Solution

The fourth proportional to 50,295.12, 69,412.78 and 28,786.84 is: 39,729.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,295.12 : 69,412.78 = 28,786.84 : x
  2. Step 2: Convert to fraction form
    50,295.12/69,412.78 = 28,786.84/x
  3. Step 3: Cross multiply
    50,295.12x = 69,412.78 × 28,786.84
  4. Step 4: Simplify right side
    50,295.12x = 1,998,174,591.82
  5. Step 5: Solve for x
    x = 1,998,174,591.82/50,295.12
  6. Step 6: Final answer
    x = 39,729.00

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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.