Home / 50,645.72-75,945.48-21,045.92

Finding the Fourth Proportional to 50,645.72, 75,945.48 and 21,045.92

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Solution

The fourth proportional to 50,645.72, 75,945.48 and 21,045.92 is: 31,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,645.72 : 75,945.48 = 21,045.92 : x
  2. Step 2: Convert to fraction form
    50,645.72/75,945.48 = 21,045.92/x
  3. Step 3: Cross multiply
    50,645.72x = 75,945.48 × 21,045.92
  4. Step 4: Simplify right side
    50,645.72x = 1,598,342,496.44
  5. Step 5: Solve for x
    x = 1,598,342,496.44/50,645.72
  6. Step 6: Final answer
    x = 31,559.28

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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.