Home / 50,426.25-75,664.89-20,865.30

Finding the Fourth Proportional to 50,426.25, 75,664.89 and 20,865.30

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Solution

The fourth proportional to 50,426.25, 75,664.89 and 20,865.30 is: 31,308.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,426.25 : 75,664.89 = 20,865.30 : x
  2. Step 2: Convert to fraction form
    50,426.25/75,664.89 = 20,865.30/x
  3. Step 3: Cross multiply
    50,426.25x = 75,664.89 × 20,865.30
  4. Step 4: Simplify right side
    50,426.25x = 1,578,770,629.32
  5. Step 5: Solve for x
    x = 1,578,770,629.32/50,426.25
  6. Step 6: Final answer
    x = 31,308.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.