Home / 50,208.09-69,286.57-28,986.90

Finding the Fourth Proportional to 50,208.09, 69,286.57 and 28,986.90

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Solution

The fourth proportional to 50,208.09, 69,286.57 and 28,986.90 is: 40,001.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,208.09 : 69,286.57 = 28,986.90 : x
  2. Step 2: Convert to fraction form
    50,208.09/69,286.57 = 28,986.90/x
  3. Step 3: Cross multiply
    50,208.09x = 69,286.57 × 28,986.90
  4. Step 4: Simplify right side
    50,208.09x = 2,008,402,875.93
  5. Step 5: Solve for x
    x = 2,008,402,875.93/50,208.09
  6. Step 6: Final answer
    x = 40,001.58

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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.