Home / 50,955.90-76,415.66-20,961.38

Finding the Fourth Proportional to 50,955.90, 76,415.66 and 20,961.38

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Solution

The fourth proportional to 50,955.90, 76,415.66 and 20,961.38 is: 31,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,955.90 : 76,415.66 = 20,961.38 : x
  2. Step 2: Convert to fraction form
    50,955.90/76,415.66 = 20,961.38/x
  3. Step 3: Cross multiply
    50,955.90x = 76,415.66 × 20,961.38
  4. Step 4: Simplify right side
    50,955.90x = 1,601,777,305.13
  5. Step 5: Solve for x
    x = 1,601,777,305.13/50,955.90
  6. Step 6: Final answer
    x = 31,434.58

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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.