Home / 50,713.44-76,029.08-21,153.36

Finding the Fourth Proportional to 50,713.44, 76,029.08 and 21,153.36

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Solution

The fourth proportional to 50,713.44, 76,029.08 and 21,153.36 is: 31,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,713.44 : 76,029.08 = 21,153.36 : x
  2. Step 2: Convert to fraction form
    50,713.44/76,029.08 = 21,153.36/x
  3. Step 3: Cross multiply
    50,713.44x = 76,029.08 × 21,153.36
  4. Step 4: Simplify right side
    50,713.44x = 1,608,270,499.71
  5. Step 5: Solve for x
    x = 1,608,270,499.71/50,713.44
  6. Step 6: Final answer
    x = 31,712.90

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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.