Home / 50,708.44-76,021.58-21,148.36

Finding the Fourth Proportional to 50,708.44, 76,021.58 and 21,148.36

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Solution

The fourth proportional to 50,708.44, 76,021.58 and 21,148.36 is: 31,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,708.44 : 76,021.58 = 21,148.36 : x
  2. Step 2: Convert to fraction form
    50,708.44/76,021.58 = 21,148.36/x
  3. Step 3: Cross multiply
    50,708.44x = 76,021.58 × 21,148.36
  4. Step 4: Simplify right side
    50,708.44x = 1,607,731,741.61
  5. Step 5: Solve for x
    x = 1,607,731,741.61/50,708.44
  6. Step 6: Final answer
    x = 31,705.41

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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.