Home / 50,747.80-76,128.99-15,690.19

Finding the Fourth Proportional to 50,747.80, 76,128.99 and 15,690.19

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Solution

The fourth proportional to 50,747.80, 76,128.99 and 15,690.19 is: 23,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,747.80 : 76,128.99 = 15,690.19 : x
  2. Step 2: Convert to fraction form
    50,747.80/76,128.99 = 15,690.19/x
  3. Step 3: Cross multiply
    50,747.80x = 76,128.99 × 15,690.19
  4. Step 4: Simplify right side
    50,747.80x = 1,194,478,127.29
  5. Step 5: Solve for x
    x = 1,194,478,127.29/50,747.80
  6. Step 6: Final answer
    x = 23,537.54

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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.