Home / 50,704.40-76,015.52-21,144.40

Finding the Fourth Proportional to 50,704.40, 76,015.52 and 21,144.40

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Solution

The fourth proportional to 50,704.40, 76,015.52 and 21,144.40 is: 31,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,704.40 : 76,015.52 = 21,144.40 : x
  2. Step 2: Convert to fraction form
    50,704.40/76,015.52 = 21,144.40/x
  3. Step 3: Cross multiply
    50,704.40x = 76,015.52 × 21,144.40
  4. Step 4: Simplify right side
    50,704.40x = 1,607,302,561.09
  5. Step 5: Solve for x
    x = 1,607,302,561.09/50,704.40
  6. Step 6: Final answer
    x = 31,699.47

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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.