Home / 50,203.40-69,268.81-28,400.18

Finding the Fourth Proportional to 50,203.40, 69,268.81 and 28,400.18

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Solution

The fourth proportional to 50,203.40, 69,268.81 and 28,400.18 is: 39,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,203.40 : 69,268.81 = 28,400.18 : x
  2. Step 2: Convert to fraction form
    50,203.40/69,268.81 = 28,400.18/x
  3. Step 3: Cross multiply
    50,203.40x = 69,268.81 × 28,400.18
  4. Step 4: Simplify right side
    50,203.40x = 1,967,246,672.39
  5. Step 5: Solve for x
    x = 1,967,246,672.39/50,203.40
  6. Step 6: Final answer
    x = 39,185.53

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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.