Home / 50,208.31-75,290.32-19,021.69

Finding the Fourth Proportional to 50,208.31, 75,290.32 and 19,021.69

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Solution

The fourth proportional to 50,208.31, 75,290.32 and 19,021.69 is: 28,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,208.31 : 75,290.32 = 19,021.69 : x
  2. Step 2: Convert to fraction form
    50,208.31/75,290.32 = 19,021.69/x
  3. Step 3: Cross multiply
    50,208.31x = 75,290.32 × 19,021.69
  4. Step 4: Simplify right side
    50,208.31x = 1,432,149,127.04
  5. Step 5: Solve for x
    x = 1,432,149,127.04/50,208.31
  6. Step 6: Final answer
    x = 28,524.15

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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.