Home / 50,716.32-76,081.40-21,127.24

Finding the Fourth Proportional to 50,716.32, 76,081.40 and 21,127.24

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Solution

The fourth proportional to 50,716.32, 76,081.40 and 21,127.24 is: 31,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,716.32 : 76,081.40 = 21,127.24 : x
  2. Step 2: Convert to fraction form
    50,716.32/76,081.40 = 21,127.24/x
  3. Step 3: Cross multiply
    50,716.32x = 76,081.40 × 21,127.24
  4. Step 4: Simplify right side
    50,716.32x = 1,607,389,616.93
  5. Step 5: Solve for x
    x = 1,607,389,616.93/50,716.32
  6. Step 6: Final answer
    x = 31,693.74

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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.